17966879987

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{172993}}^1$

素因数の和:173438

約数の個数: 16

約数和(自身を含む): 21141250752

約数和(自身を除く): 3174370765

約数列:

[1, 7, 37, 259, 401, 2807, 14837, 103859, 172993, 1210951, 6400741, 44805187, 69370193, 485591351, 2566697141, 17966879987]

約数ペア:

[(1, 17966879987), (7, 2566697141), (37, 485591351), (259, 69370193), (401, 44805187), (2807, 6400741), (14837, 1210951), (103859, 172993)]