221990687

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1559}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 239016960

約数和(自身を除く): 17026273

約数列:

[1, 23, 41, 151, 943, 1559, 3473, 6191, 35857, 63919, 142393, 235409, 1470137, 5414407, 9651769, 221990687]

約数ペア:

[(1, 221990687), (23, 9651769), (41, 5414407), (151, 1470137), (943, 235409), (1559, 142393), (3473, 63919), (6191, 35857)]