81428026

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 123634368

約数和(自身を除く): 42206342

約数列:

[1, 2, 113, 226, 571, 631, 1142, 1262, 64523, 71303, 129046, 142606, 360301, 720602, 40714013, 81428026]

約数ペア:

[(1, 81428026), (2, 40714013), (113, 720602), (226, 360301), (571, 142606), (631, 129046), (1142, 71303), (1262, 64523)]