221459036

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{14879}}^1$

素因数の和:15005

約数の個数: 18

約数和(自身を含む): 394037280

約数和(自身を除く): 172578244

約数列:

[1, 2, 4, 61, 122, 244, 3721, 7442, 14879, 14884, 29758, 59516, 907619, 1815238, 3630476, 55364759, 110729518, 221459036]

約数ペア:

[(1, 221459036), (2, 110729518), (4, 55364759), (61, 3630476), (122, 1815238), (244, 907619), (3721, 59516), (7442, 29758), (14879, 14884)]