215516

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 443520

約数和(自身を除く): 228004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 179, 301, 358, 602, 716, 1204, 1253, 2506, 5012, 7697, 15394, 30788, 53879, 107758, 215516]

約数ペア:

[(1, 215516), (2, 107758), (4, 53879), (7, 30788), (14, 15394), (28, 7697), (43, 5012), (86, 2506), (172, 1253), (179, 1204), (301, 716), (358, 602)]