28690064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137933}}^1$

素因数の和:137954

約数の個数: 20

約数和(自身を含む): 59863356

約数和(自身を除く): 31173292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137933, 275866, 551732, 1103464, 1793129, 2206928, 3586258, 7172516, 14345032, 28690064]

約数ペア:

[(1, 28690064), (2, 14345032), (4, 7172516), (8, 3586258), (13, 2206928), (16, 1793129), (26, 1103464), (52, 551732), (104, 275866), (208, 137933)]