2642938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 16

約数和(自身を含む): 4209120

約数和(自身を除く): 1566182

約数列:

[1, 2, 19, 38, 157, 314, 443, 886, 2983, 5966, 8417, 16834, 69551, 139102, 1321469, 2642938]

約数ペア:

[(1, 2642938), (2, 1321469), (19, 139102), (38, 69551), (157, 16834), (314, 8417), (443, 5966), (886, 2983)]