99871915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139681}}^1$

素因数の和:139710

約数の個数: 16

約数和(自身を含む): 140799456

約数和(自身を除く): 40927541

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 139681, 698405, 1536491, 1815853, 7682455, 9079265, 19974383, 99871915]

約数ペア:

[(1, 99871915), (5, 19974383), (11, 9079265), (13, 7682455), (55, 1815853), (65, 1536491), (143, 698405), (715, 139681)]