67644628

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 120657600

約数和(自身を除く): 53012972

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 1367, 2734, 5468, 12371, 24742, 49484, 121663, 190013, 243326, 380026, 486652, 760052, 16911157, 33822314, 67644628]

約数ペア:

[(1, 67644628), (2, 33822314), (4, 16911157), (89, 760052), (139, 486652), (178, 380026), (278, 243326), (356, 190013), (556, 121663), (1367, 49484), (2734, 24742), (5468, 12371)]