781121090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2693521}}^1$

素因数の和:2693557

約数の個数: 16

約数和(自身を含む): 1454501880

約数和(自身を除く): 673380790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2693521, 5387042, 13467605, 26935210, 78112109, 156224218, 390560545, 781121090]

約数ペア:

[(1, 781121090), (2, 390560545), (5, 156224218), (10, 78112109), (29, 26935210), (58, 13467605), (145, 5387042), (290, 2693521)]