726444940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2794019}}^1$

素因数の和:2794041

約数の個数: 24

約数和(自身を含む): 1642883760

約数和(自身を除く): 916438820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2794019, 5588038, 11176076, 13970095, 27940190, 36322247, 55880380, 72644494, 145288988, 181611235, 363222470, 726444940]

約数ペア:

[(1, 726444940), (2, 363222470), (4, 181611235), (5, 145288988), (10, 72644494), (13, 55880380), (20, 36322247), (26, 27940190), (52, 13970095), (65, 11176076), (130, 5588038), (260, 2794019)]