7778315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 10069920

約数和(自身を除く): 2291605

約数列:

[1, 5, 19, 41, 95, 205, 779, 1997, 3895, 9985, 37943, 81877, 189715, 409385, 1555663, 7778315]

約数ペア:

[(1, 7778315), (5, 1555663), (19, 409385), (41, 189715), (95, 81877), (205, 37943), (779, 9985), (1997, 3895)]