4201978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 6907680

約数和(自身を除く): 2705702

約数列:

[1, 2, 11, 22, 389, 491, 778, 982, 4279, 5401, 8558, 10802, 190999, 381998, 2100989, 4201978]

約数ペア:

[(1, 4201978), (2, 2100989), (11, 381998), (22, 190999), (389, 10802), (491, 8558), (778, 5401), (982, 4279)]