40397518

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22027}}^1$

素因数の和:22167

約数の個数: 16

約数和(自身を含む): 69784704

約数和(自身を除く): 29387186

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 22027, 44054, 154189, 308378, 2885537, 5771074, 20198759, 40397518]

約数ペア:

[(1, 40397518), (2, 20198759), (7, 5771074), (14, 2885537), (131, 308378), (262, 154189), (917, 44054), (1834, 22027)]