40191998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{260987}}^1$

素因数の和:261007

約数の個数: 16

約数和(自身を含む): 75164544

約数和(自身を除く): 34972546

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 260987, 521974, 1826909, 2870857, 3653818, 5741714, 20095999, 40191998]

約数ペア:

[(1, 40191998), (2, 20095999), (7, 5741714), (11, 3653818), (14, 2870857), (22, 1826909), (77, 521974), (154, 260987)]