1489754890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{63313}}^1$

素因数の和:63514

約数の個数: 32

約数和(自身を含む): 2903833296

約数和(自身を除く): 1414078406

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 4706, 11765, 23530, 63313, 126626, 316565, 633130, 823069, 1646138, 4115345, 8230690, 11459653, 22919306, 57298265, 114596530, 148975489, 297950978, 744877445, 1489754890]

約数ペア:

[(1, 1489754890), (2, 744877445), (5, 297950978), (10, 148975489), (13, 114596530), (26, 57298265), (65, 22919306), (130, 11459653), (181, 8230690), (362, 4115345), (905, 1646138), (1810, 823069), (2353, 633130), (4706, 316565), (11765, 126626), (23530, 63313)]