51981552

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 180

約数和(自身を含む): 173660760

約数和(自身を除く): 121679208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 53, 56, 63, 72, 84, 98, 106, 112, 126, 139, 144, 147, 159, 168, 196, 212, 252, 278, 294, 318, 336, 371, 392, 417, 424, 441, 477, 504, 556, 588, 636, 742, 784, 834, 848, 882, 954, 973, 1008, 1112, 1113, 1176, 1251, 1272, 1484, 1668, 1764, 1908, 1946, 2224, 2226, 2352, 2502, 2544, 2597, 2919, 2968, 3336, 3339, 3528, 3816, 3892, 4452, 5004, 5194, 5838, 5936, 6672, 6678, 6811, 7056, 7367, 7632, 7784, 7791, 8757, 8904, 10008, 10388, 11676, 13356, 13622, 14734, 15568, 15582, 17514, 17808, 20016, 20433, 20776, 22101, 23352, 23373, 26712, 27244, 29468, 31164, 35028, 40866, 41552, 44202, 46704, 46746, 51569, 53424, 54488, 58936, 61299, 62328, 66303, 70056, 81732, 88404, 93492, 103138, 108976, 117872, 122598, 124656, 132606, 140112, 154707, 163464, 176808, 186984, 206276, 245196, 265212, 309414, 326928, 353616, 360983, 373968, 412552, 464121, 490392, 530424, 618828, 721966, 825104, 928242, 980784, 1060848, 1082949, 1237656, 1443932, 1856484, 2165898, 2475312, 2887864, 3248847, 3712968, 4331796, 5775728, 6497694, 7425936, 8663592, 12995388, 17327184, 25990776, 51981552]

約数ペア:

[(1, 51981552), (2, 25990776), (3, 17327184), (4, 12995388), (6, 8663592), (7, 7425936), (8, 6497694), (9, 5775728), (12, 4331796), (14, 3712968), (16, 3248847), (18, 2887864), (21, 2475312), (24, 2165898), (28, 1856484), (36, 1443932), (42, 1237656), (48, 1082949), (49, 1060848), (53, 980784), (56, 928242), (63, 825104), (72, 721966), (84, 618828), (98, 530424), (106, 490392), (112, 464121), (126, 412552), (139, 373968), (144, 360983), (147, 353616), (159, 326928), (168, 309414), (196, 265212), (212, 245196), (252, 206276), (278, 186984), (294, 176808), (318, 163464), (336, 154707), (371, 140112), (392, 132606), (417, 124656), (424, 122598), (441, 117872), (477, 108976), (504, 103138), (556, 93492), (588, 88404), (636, 81732), (742, 70056), (784, 66303), (834, 62328), (848, 61299), (882, 58936), (954, 54488), (973, 53424), (1008, 51569), (1112, 46746), (1113, 46704), (1176, 44202), (1251, 41552), (1272, 40866), (1484, 35028), (1668, 31164), (1764, 29468), (1908, 27244), (1946, 26712), (2224, 23373), (2226, 23352), (2352, 22101), (2502, 20776), (2544, 20433), (2597, 20016), (2919, 17808), (2968, 17514), (3336, 15582), (3339, 15568), (3528, 14734), (3816, 13622), (3892, 13356), (4452, 11676), (5004, 10388), (5194, 10008), (5838, 8904), (5936, 8757), (6672, 7791), (6678, 7784), (6811, 7632), (7056, 7367)]