28355429375

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{498557}}^1$

素因数の和:498597

約数の個数: 40

約数和(自身を含む): 43609865376

約数和(自身を除く): 15254436001

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 4375, 8125, 11375, 56875, 498557, 2492785, 3489899, 6481241, 12463925, 17449495, 32406205, 45368687, 62319625, 87247475, 162031025, 226843435, 311598125, 436237375, 810155125, 1134217175, 2181186875, 4050775625, 5671085875, 28355429375]

約数ペア:

[(1, 28355429375), (5, 5671085875), (7, 4050775625), (13, 2181186875), (25, 1134217175), (35, 810155125), (65, 436237375), (91, 311598125), (125, 226843435), (175, 162031025), (325, 87247475), (455, 62319625), (625, 45368687), (875, 32406205), (1625, 17449495), (2275, 12463925), (4375, 6481241), (8125, 3489899), (11375, 2492785), (56875, 498557)]