78640055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{8831}}^1$

素因数の和:8986

約数の個数: 16

約数和(自身を含む): 102380544

約数和(自身を除く): 23740489

約数列:

[1, 5, 13, 65, 137, 685, 1781, 8831, 8905, 44155, 114803, 574015, 1209847, 6049235, 15728011, 78640055]

約数ペア:

[(1, 78640055), (5, 15728011), (13, 6049235), (65, 1209847), (137, 574015), (685, 114803), (1781, 44155), (8831, 8905)]