257512248

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 144

約数和(自身を含む): 829090080

約数和(自身を除く): 571577832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 49, 56, 63, 72, 84, 94, 98, 126, 141, 147, 168, 188, 196, 252, 282, 294, 329, 376, 392, 423, 441, 504, 564, 588, 658, 846, 882, 987, 1128, 1176, 1316, 1553, 1692, 1764, 1974, 2303, 2632, 2961, 3106, 3384, 3528, 3948, 4606, 4659, 5922, 6212, 6909, 7896, 9212, 9318, 10871, 11844, 12424, 13818, 13977, 18424, 18636, 20727, 21742, 23688, 27636, 27954, 32613, 37272, 41454, 43484, 55272, 55908, 65226, 72991, 76097, 82908, 86968, 97839, 111816, 130452, 145982, 152194, 165816, 195678, 218973, 228291, 260904, 291964, 304388, 391356, 437946, 456582, 510937, 583928, 608776, 656919, 684873, 782712, 875892, 913164, 1021874, 1313838, 1369746, 1532811, 1751784, 1826328, 2043748, 2627676, 2739492, 3065622, 3576559, 4087496, 4598433, 5255352, 5478984, 6131244, 7153118, 9196866, 10729677, 12262488, 14306236, 18393732, 21459354, 28612472, 32189031, 36787464, 42918708, 64378062, 85837416, 128756124, 257512248]

約数ペア:

[(1, 257512248), (2, 128756124), (3, 85837416), (4, 64378062), (6, 42918708), (7, 36787464), (8, 32189031), (9, 28612472), (12, 21459354), (14, 18393732), (18, 14306236), (21, 12262488), (24, 10729677), (28, 9196866), (36, 7153118), (42, 6131244), (47, 5478984), (49, 5255352), (56, 4598433), (63, 4087496), (72, 3576559), (84, 3065622), (94, 2739492), (98, 2627676), (126, 2043748), (141, 1826328), (147, 1751784), (168, 1532811), (188, 1369746), (196, 1313838), (252, 1021874), (282, 913164), (294, 875892), (329, 782712), (376, 684873), (392, 656919), (423, 608776), (441, 583928), (504, 510937), (564, 456582), (588, 437946), (658, 391356), (846, 304388), (882, 291964), (987, 260904), (1128, 228291), (1176, 218973), (1316, 195678), (1553, 165816), (1692, 152194), (1764, 145982), (1974, 130452), (2303, 111816), (2632, 97839), (2961, 86968), (3106, 82908), (3384, 76097), (3528, 72991), (3948, 65226), (4606, 55908), (4659, 55272), (5922, 43484), (6212, 41454), (6909, 37272), (7896, 32613), (9212, 27954), (9318, 27636), (10871, 23688), (11844, 21742), (12424, 20727), (13818, 18636), (13977, 18424)]