257861604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21467}}^1$

素因数の和:21505

約数の個数: 96

約数和(自身を含む): 807883776

約数和(自身を除く): 550022172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 2002, 3003, 4004, 6006, 12012, 21467, 42934, 64401, 85868, 128802, 150269, 236137, 257604, 279071, 300538, 450807, 472274, 558142, 601076, 708411, 837213, 901614, 944548, 1116284, 1416822, 1652959, 1674426, 1803228, 1953497, 2833644, 3069781, 3305918, 3348852, 3906994, 4958877, 5860491, 6139562, 6611836, 7813988, 9209343, 9917754, 11720982, 12279124, 18418686, 19835508, 21488467, 23441964, 36837372, 42976934, 64465401, 85953868, 128930802, 257861604]

約数ペア:

[(1, 257861604), (2, 128930802), (3, 85953868), (4, 64465401), (6, 42976934), (7, 36837372), (11, 23441964), (12, 21488467), (13, 19835508), (14, 18418686), (21, 12279124), (22, 11720982), (26, 9917754), (28, 9209343), (33, 7813988), (39, 6611836), (42, 6139562), (44, 5860491), (52, 4958877), (66, 3906994), (77, 3348852), (78, 3305918), (84, 3069781), (91, 2833644), (132, 1953497), (143, 1803228), (154, 1674426), (156, 1652959), (182, 1416822), (231, 1116284), (273, 944548), (286, 901614), (308, 837213), (364, 708411), (429, 601076), (462, 558142), (546, 472274), (572, 450807), (858, 300538), (924, 279071), (1001, 257604), (1092, 236137), (1716, 150269), (2002, 128802), (3003, 85868), (4004, 64401), (6006, 42934), (12012, 21467)]