223897145

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{1409}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 273799440

約数和(自身を除く): 49902295

約数列:

[1, 5, 61, 305, 521, 1409, 2605, 7045, 31781, 85949, 158905, 429745, 734089, 3670445, 44779429, 223897145]

約数ペア:

[(1, 223897145), (5, 44779429), (61, 3670445), (305, 734089), (521, 429745), (1409, 158905), (2605, 85949), (7045, 31781)]