213364336

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{218611}}^1$

素因数の和:218680

約数の個数: 20

約数和(自身を含む): 420172264

約数和(自身を除く): 206807928

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 218611, 437222, 874444, 1748888, 3497776, 13335271, 26670542, 53341084, 106682168, 213364336]

約数ペア:

[(1, 213364336), (2, 106682168), (4, 53341084), (8, 26670542), (16, 13335271), (61, 3497776), (122, 1748888), (244, 874444), (488, 437222), (976, 218611)]