127907390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2221}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 248615136

約数和(自身を除く): 120707746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 2215, 2221, 4430, 4442, 5759, 11105, 11518, 22210, 28795, 28873, 57590, 57746, 144365, 288730, 983903, 1967806, 4919515, 9839030, 12790739, 25581478, 63953695, 127907390]

約数ペア:

[(1, 127907390), (2, 63953695), (5, 25581478), (10, 12790739), (13, 9839030), (26, 4919515), (65, 1967806), (130, 983903), (443, 288730), (886, 144365), (2215, 57746), (2221, 57590), (4430, 28873), (4442, 28795), (5759, 22210), (11105, 11518)]