78539812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{22543}}^1$

素因数の和:22627

約数の個数: 24

約数和(自身を含む): 150233216

約数和(自身を除く): 71693404

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 22543, 45086, 90172, 293059, 586118, 1172236, 1510381, 3020762, 6041524, 19634953, 39269906, 78539812]

約数ペア:

[(1, 78539812), (2, 39269906), (4, 19634953), (13, 6041524), (26, 3020762), (52, 1510381), (67, 1172236), (134, 586118), (268, 293059), (871, 90172), (1742, 45086), (3484, 22543)]