81135742

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1933}}^1$

素因数の和:2643

約数の個数: 16

約数和(自身を含む): 125880192

約数和(自身を除く): 44744450

約数列:

[1, 2, 31, 62, 677, 1354, 1933, 3866, 20987, 41974, 59923, 119846, 1308641, 2617282, 40567871, 81135742]

約数ペア:

[(1, 81135742), (2, 40567871), (31, 2617282), (62, 1308641), (677, 119846), (1354, 59923), (1933, 41974), (3866, 20987)]