81689774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{18049}}^1$

素因数の和:18155

約数の個数: 16

約数和(自身を含む): 128227200

約数和(自身を除く): 46537426

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4526, 18049, 36098, 559519, 1119038, 1317577, 2635154, 40844887, 81689774]

約数ペア:

[(1, 81689774), (2, 40844887), (31, 2635154), (62, 1317577), (73, 1119038), (146, 559519), (2263, 36098), (4526, 18049)]