78581139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5507

約数の個数: 32

約数和(自身を含む): 131410944

約数和(自身を除く): 52829805

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 5431, 14469, 16293, 38017, 70603, 114051, 211809, 287843, 494221, 863529, 1482663, 2014901, 3741959, 6044703, 11225877, 26193713, 78581139]

約数ペア:

[(1, 78581139), (3, 26193713), (7, 11225877), (13, 6044703), (21, 3741959), (39, 2014901), (53, 1482663), (91, 863529), (159, 494221), (273, 287843), (371, 211809), (689, 114051), (1113, 70603), (2067, 38017), (4823, 16293), (5431, 14469)]