25542916

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^4$

素因数の和:94

約数の個数: 45

約数和(自身を含む): 54886839

約数和(自身を除く): 29343923

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 361, 532, 722, 931, 1444, 1862, 2527, 3724, 5054, 6859, 10108, 13718, 17689, 27436, 35378, 48013, 70756, 96026, 130321, 192052, 260642, 336091, 521284, 672182, 912247, 1344364, 1824494, 3648988, 6385729, 12771458, 25542916]

約数ペア:

[(1, 25542916), (2, 12771458), (4, 6385729), (7, 3648988), (14, 1824494), (19, 1344364), (28, 912247), (38, 672182), (49, 521284), (76, 336091), (98, 260642), (133, 192052), (196, 130321), (266, 96026), (361, 70756), (532, 48013), (722, 35378), (931, 27436), (1444, 17689), (1862, 13718), (2527, 10108), (3724, 6859)]