221736290

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{13781}}^1$

素因数の和:15397

約数の個数: 16

約数和(自身を含む): 399402360

約数和(自身を除く): 177666070

約数列:

[1, 2, 5, 10, 1609, 3218, 8045, 13781, 16090, 27562, 68905, 137810, 22173629, 44347258, 110868145, 221736290]

約数ペア:

[(1, 221736290), (2, 110868145), (5, 44347258), (10, 22173629), (1609, 137810), (3218, 68905), (8045, 27562), (13781, 16090)]