257639148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 776962368

約数和(自身を除く): 519323220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 47, 51, 52, 53, 68, 78, 94, 102, 106, 117, 141, 153, 156, 159, 169, 188, 204, 212, 221, 234, 282, 306, 318, 338, 423, 442, 468, 477, 507, 564, 611, 612, 636, 663, 676, 689, 799, 846, 884, 901, 954, 1014, 1222, 1326, 1378, 1521, 1598, 1692, 1802, 1833, 1908, 1989, 2028, 2067, 2397, 2444, 2491, 2652, 2703, 2756, 2873, 3042, 3196, 3604, 3666, 3978, 4134, 4794, 4982, 5406, 5499, 5746, 6084, 6201, 7191, 7332, 7473, 7943, 7956, 8109, 8268, 8619, 8957, 9588, 9964, 10387, 10812, 10998, 11492, 11713, 12402, 14382, 14946, 15886, 16218, 17238, 17914, 20774, 21996, 22419, 23426, 23829, 24804, 25857, 26871, 28764, 29892, 31161, 31772, 32383, 32436, 34476, 35139, 35828, 41548, 42347, 44838, 46852, 47658, 51714, 53742, 62322, 64766, 70278, 71487, 80613, 84694, 89676, 93483, 95316, 97149, 103428, 105417, 107484, 124644, 127041, 129532, 135031, 140556, 142974, 152269, 161226, 169388, 186966, 194298, 210834, 254082, 270062, 285948, 291447, 304538, 322452, 373932, 381123, 388596, 405093, 420979, 421668, 456807, 508164, 540124, 550511, 582894, 609076, 762246, 810186, 841958, 913614, 1101022, 1165788, 1215279, 1262937, 1370421, 1524492, 1620372, 1651533, 1683916, 1827228, 2202044, 2430558, 2525874, 2740842, 3303066, 3788811, 4861116, 4954599, 5051748, 5481684, 6606132, 7156643, 7577622, 9909198, 14313286, 15155244, 19818396, 21469929, 28626572, 42939858, 64409787, 85879716, 128819574, 257639148]

約数ペア:

[(1, 257639148), (2, 128819574), (3, 85879716), (4, 64409787), (6, 42939858), (9, 28626572), (12, 21469929), (13, 19818396), (17, 15155244), (18, 14313286), (26, 9909198), (34, 7577622), (36, 7156643), (39, 6606132), (47, 5481684), (51, 5051748), (52, 4954599), (53, 4861116), (68, 3788811), (78, 3303066), (94, 2740842), (102, 2525874), (106, 2430558), (117, 2202044), (141, 1827228), (153, 1683916), (156, 1651533), (159, 1620372), (169, 1524492), (188, 1370421), (204, 1262937), (212, 1215279), (221, 1165788), (234, 1101022), (282, 913614), (306, 841958), (318, 810186), (338, 762246), (423, 609076), (442, 582894), (468, 550511), (477, 540124), (507, 508164), (564, 456807), (611, 421668), (612, 420979), (636, 405093), (663, 388596), (676, 381123), (689, 373932), (799, 322452), (846, 304538), (884, 291447), (901, 285948), (954, 270062), (1014, 254082), (1222, 210834), (1326, 194298), (1378, 186966), (1521, 169388), (1598, 161226), (1692, 152269), (1802, 142974), (1833, 140556), (1908, 135031), (1989, 129532), (2028, 127041), (2067, 124644), (2397, 107484), (2444, 105417), (2491, 103428), (2652, 97149), (2703, 95316), (2756, 93483), (2873, 89676), (3042, 84694), (3196, 80613), (3604, 71487), (3666, 70278), (3978, 64766), (4134, 62322), (4794, 53742), (4982, 51714), (5406, 47658), (5499, 46852), (5746, 44838), (6084, 42347), (6201, 41548), (7191, 35828), (7332, 35139), (7473, 34476), (7943, 32436), (7956, 32383), (8109, 31772), (8268, 31161), (8619, 29892), (8957, 28764), (9588, 26871), (9964, 25857), (10387, 24804), (10812, 23829), (10998, 23426), (11492, 22419), (11713, 21996), (12402, 20774), (14382, 17914), (14946, 17238), (15886, 16218)]