664697150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1022611}}^1$

素因数の和:1022636

約数の個数: 24

約数和(自身を含む): 1331440824

約数和(自身を除く): 666743674

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1022611, 2045222, 5113055, 10226110, 13293943, 25565275, 26587886, 51130550, 66469715, 132939430, 332348575, 664697150]

約数ペア:

[(1, 664697150), (2, 332348575), (5, 132939430), (10, 66469715), (13, 51130550), (25, 26587886), (26, 25565275), (50, 13293943), (65, 10226110), (130, 5113055), (325, 2045222), (650, 1022611)]