1396558870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19950841}}^1$

素因数の和:19950855

約数の個数: 16

約数和(自身を含む): 2872921248

約数和(自身を除く): 1476362378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19950841, 39901682, 99754205, 139655887, 199508410, 279311774, 698279435, 1396558870]

約数ペア:

[(1, 1396558870), (2, 698279435), (5, 279311774), (7, 199508410), (10, 139655887), (14, 99754205), (35, 39901682), (70, 19950841)]