138647665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{463}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 190826496

約数和(自身を除く): 52178831

約数列:

[1, 5, 13, 17, 65, 85, 221, 271, 463, 1105, 1355, 2315, 3523, 4607, 6019, 7871, 17615, 23035, 30095, 39355, 59891, 102323, 125473, 299455, 511615, 627365, 1631149, 2133041, 8155745, 10665205, 27729533, 138647665]

約数ペア:

[(1, 138647665), (5, 27729533), (13, 10665205), (17, 8155745), (65, 2133041), (85, 1631149), (221, 627365), (271, 511615), (463, 299455), (1105, 125473), (1355, 102323), (2315, 59891), (3523, 39355), (4607, 30095), (6019, 23035), (7871, 17615)]