221361224

素因数分解:

$2^3\times 7^3\times {\mathrm{80671}}^1$

素因数の和:80698

約数の個数: 32

約数和(自身を含む): 484032000

約数和(自身を除く): 262670776

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 80671, 161342, 322684, 564697, 645368, 1129394, 2258788, 3952879, 4517576, 7905758, 15811516, 27670153, 31623032, 55340306, 110680612, 221361224]

約数ペア:

[(1, 221361224), (2, 110680612), (4, 55340306), (7, 31623032), (8, 27670153), (14, 15811516), (28, 7905758), (49, 4517576), (56, 3952879), (98, 2258788), (196, 1129394), (343, 645368), (392, 564697), (686, 322684), (1372, 161342), (2744, 80671)]