213344816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{218591}}^1$

素因数の和:218660

約数の個数: 20

約数和(自身を含む): 420133824

約数和(自身を除く): 206789008

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 218591, 437182, 874364, 1748728, 3497456, 13334051, 26668102, 53336204, 106672408, 213344816]

約数ペア:

[(1, 213344816), (2, 106672408), (4, 53336204), (8, 26668102), (16, 13334051), (61, 3497456), (122, 1748728), (244, 874364), (488, 437182), (976, 218591)]