81439046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 137625600

約数和(自身を除く): 56186554

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 806, 1027, 1279, 2054, 2449, 2558, 4898, 16627, 31837, 33254, 39649, 63674, 79298, 101041, 202082, 515437, 1030874, 1313533, 2627066, 3132271, 6264542, 40719523, 81439046]

約数ペア:

[(1, 81439046), (2, 40719523), (13, 6264542), (26, 3132271), (31, 2627066), (62, 1313533), (79, 1030874), (158, 515437), (403, 202082), (806, 101041), (1027, 79298), (1279, 63674), (2054, 39649), (2449, 33254), (2558, 31837), (4898, 16627)]