61949420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{238267}}^1$

素因数の和:238289

約数の個数: 24

約数和(自身を含む): 140101584

約数和(自身を除く): 78152164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 238267, 476534, 953068, 1191335, 2382670, 3097471, 4765340, 6194942, 12389884, 15487355, 30974710, 61949420]

約数ペア:

[(1, 61949420), (2, 30974710), (4, 15487355), (5, 12389884), (10, 6194942), (13, 4765340), (20, 3097471), (26, 2382670), (52, 1191335), (65, 953068), (130, 476534), (260, 238267)]