64505021

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 80044416

約数和(自身を除く): 15539395

約数列:

[1, 7, 17, 49, 119, 211, 367, 833, 1477, 2569, 3587, 6239, 10339, 17983, 25109, 43673, 77437, 175763, 305711, 542059, 1316429, 3794413, 9215003, 64505021]

約数ペア:

[(1, 64505021), (7, 9215003), (17, 3794413), (49, 1316429), (119, 542059), (211, 305711), (367, 175763), (833, 77437), (1477, 43673), (2569, 25109), (3587, 17983), (6239, 10339)]