217991059

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 260158640

約数和(自身を除く): 42167581

約数列:

[1, 11, 13, 121, 139, 143, 997, 1529, 1573, 1807, 10967, 12961, 16819, 19877, 120637, 138583, 142571, 218647, 1524413, 1568281, 1801579, 16768543, 19817369, 217991059]

約数ペア:

[(1, 217991059), (11, 19817369), (13, 16768543), (121, 1801579), (139, 1568281), (143, 1524413), (997, 218647), (1529, 142571), (1573, 138583), (1807, 120637), (10967, 19877), (12961, 16819)]