138879416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1335379}}^1$

素因数の和:1335398

約数の個数: 16

約数和(自身を含む): 280429800

約数和(自身を除く): 141550384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1335379, 2670758, 5341516, 10683032, 17359927, 34719854, 69439708, 138879416]

約数ペア:

[(1, 138879416), (2, 69439708), (4, 34719854), (8, 17359927), (13, 10683032), (26, 5341516), (52, 2670758), (104, 1335379)]