25309144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 31830056

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 239, 244, 248, 427, 434, 478, 488, 854, 868, 956, 1673, 1708, 1736, 1891, 1912, 3346, 3416, 3782, 6692, 7409, 7564, 13237, 13384, 14579, 14818, 15128, 26474, 29158, 29636, 51863, 52948, 58316, 59272, 102053, 103726, 105896, 116632, 204106, 207452, 408212, 414904, 451949, 816424, 903898, 1807796, 3163643, 3615592, 6327286, 12654572, 25309144]

約数ペア:

[(1, 25309144), (2, 12654572), (4, 6327286), (7, 3615592), (8, 3163643), (14, 1807796), (28, 903898), (31, 816424), (56, 451949), (61, 414904), (62, 408212), (122, 207452), (124, 204106), (217, 116632), (239, 105896), (244, 103726), (248, 102053), (427, 59272), (434, 58316), (478, 52948), (488, 51863), (854, 29636), (868, 29158), (956, 26474), (1673, 15128), (1708, 14818), (1736, 14579), (1891, 13384), (1912, 13237), (3346, 7564), (3416, 7409), (3782, 6692)]