82661271875

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{290677}}^1$

素因数の和:290722

約数の個数: 48

約数和(自身を含む): 127163486016

約数和(自身を除く): 44502214141

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3125, 4375, 8125, 11375, 21875, 40625, 56875, 284375, 290677, 1453385, 2034739, 3778801, 7266925, 10173695, 18894005, 26451607, 36334625, 50868475, 94470025, 132258035, 181673125, 254342375, 472350125, 661290175, 908365625, 1271711875, 2361750625, 3306450875, 6358559375, 11808753125, 16532254375, 82661271875]

約数ペア:

[(1, 82661271875), (5, 16532254375), (7, 11808753125), (13, 6358559375), (25, 3306450875), (35, 2361750625), (65, 1271711875), (91, 908365625), (125, 661290175), (175, 472350125), (325, 254342375), (455, 181673125), (625, 132258035), (875, 94470025), (1625, 50868475), (2275, 36334625), (3125, 26451607), (4375, 18894005), (8125, 10173695), (11375, 7266925), (21875, 3778801), (40625, 2034739), (56875, 1453385), (284375, 290677)]