25321912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 61860960

約数和(自身を除く): 36539048

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 101, 121, 148, 154, 202, 242, 259, 296, 308, 404, 407, 484, 518, 616, 707, 808, 814, 847, 968, 1036, 1111, 1414, 1628, 1694, 2072, 2222, 2828, 2849, 3256, 3388, 3737, 4444, 4477, 5656, 5698, 6776, 7474, 7777, 8888, 8954, 11396, 12221, 14948, 15554, 17908, 22792, 24442, 26159, 29896, 31108, 31339, 35816, 41107, 48884, 52318, 62216, 62678, 82214, 85547, 97768, 104636, 125356, 164428, 171094, 209272, 250712, 287749, 328856, 342188, 452177, 575498, 684376, 904354, 1150996, 1808708, 2301992, 3165239, 3617416, 6330478, 12660956, 25321912]

約数ペア:

[(1, 25321912), (2, 12660956), (4, 6330478), (7, 3617416), (8, 3165239), (11, 2301992), (14, 1808708), (22, 1150996), (28, 904354), (37, 684376), (44, 575498), (56, 452177), (74, 342188), (77, 328856), (88, 287749), (101, 250712), (121, 209272), (148, 171094), (154, 164428), (202, 125356), (242, 104636), (259, 97768), (296, 85547), (308, 82214), (404, 62678), (407, 62216), (484, 52318), (518, 48884), (616, 41107), (707, 35816), (808, 31339), (814, 31108), (847, 29896), (968, 26159), (1036, 24442), (1111, 22792), (1414, 17908), (1628, 15554), (1694, 14948), (2072, 12221), (2222, 11396), (2828, 8954), (2849, 8888), (3256, 7777), (3388, 7474), (3737, 6776), (4444, 5698), (4477, 5656)]