91056875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 140130144

約数和(自身を除く): 49073269

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1601, 1625, 2275, 4375, 8005, 8125, 11207, 11375, 20813, 40025, 56035, 56875, 104065, 145691, 200125, 280175, 520325, 728455, 1000625, 1400875, 2601625, 3642275, 7004375, 13008125, 18211375, 91056875]

約数ペア:

[(1, 91056875), (5, 18211375), (7, 13008125), (13, 7004375), (25, 3642275), (35, 2601625), (65, 1400875), (91, 1000625), (125, 728455), (175, 520325), (325, 280175), (455, 200125), (625, 145691), (875, 104065), (1601, 56875), (1625, 56035), (2275, 40025), (4375, 20813), (8005, 11375), (8125, 11207)]