726668540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2794879}}^1$

素因数の和:2794901

約数の個数: 24

約数和(自身を含む): 1643389440

約数和(自身を除く): 916720900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2794879, 5589758, 11179516, 13974395, 27948790, 36333427, 55897580, 72666854, 145333708, 181667135, 363334270, 726668540]

約数ペア:

[(1, 726668540), (2, 363334270), (4, 181667135), (5, 145333708), (10, 72666854), (13, 55897580), (20, 36333427), (26, 27948790), (52, 13974395), (65, 11179516), (130, 5589758), (260, 2794879)]