25127956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 53424000

約数和(自身を除く): 28296044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 266, 298, 317, 532, 596, 634, 1043, 1268, 2086, 2219, 2831, 4172, 4438, 5662, 6023, 8876, 11324, 12046, 19817, 24092, 39634, 42161, 47233, 79268, 84322, 94466, 168644, 188932, 330631, 661262, 897427, 1322524, 1794854, 3589708, 6281989, 12563978, 25127956]

約数ペア:

[(1, 25127956), (2, 12563978), (4, 6281989), (7, 3589708), (14, 1794854), (19, 1322524), (28, 897427), (38, 661262), (76, 330631), (133, 188932), (149, 168644), (266, 94466), (298, 84322), (317, 79268), (532, 47233), (596, 42161), (634, 39634), (1043, 24092), (1268, 19817), (2086, 12046), (2219, 11324), (2831, 8876), (4172, 6023), (4438, 5662)]