1640642746

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1\times {\mathrm{12391}}^1$

素因数の和:12909

約数の個数: 16

約数和(自身を含む): 2480382720

約数和(自身を除く): 839739974

約数列:

[1, 2, 239, 277, 478, 554, 12391, 24782, 66203, 132406, 2961449, 3432307, 5922898, 6864614, 820321373, 1640642746]

約数ペア:

[(1, 1640642746), (2, 820321373), (239, 6864614), (277, 5922898), (478, 3432307), (554, 2961449), (12391, 132406), (24782, 66203)]