78970190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20947}}^1$

素因数の和:20996

約数の個数: 32

約数和(自身を含む): 158366880

約数和(自身を除く): 79396690

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 20947, 41894, 104735, 209470, 272311, 544622, 607463, 1214926, 1361555, 2723110, 3037315, 6074630, 7897019, 15794038, 39485095, 78970190]

約数ペア:

[(1, 78970190), (2, 39485095), (5, 15794038), (10, 7897019), (13, 6074630), (26, 3037315), (29, 2723110), (58, 1361555), (65, 1214926), (130, 607463), (145, 544622), (290, 272311), (377, 209470), (754, 104735), (1885, 41894), (3770, 20947)]