245191639

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2357}}^1$

素因数の和:2575

約数の個数: 24

約数和(自身を含む): 312897168

約数和(自身を除く): 67705529

約数列:

[1, 7, 11, 49, 77, 193, 539, 1351, 2123, 2357, 9457, 14861, 16499, 25927, 104027, 115493, 181489, 454901, 1270423, 3184307, 5003911, 22290149, 35027377, 245191639]

約数ペア:

[(1, 245191639), (7, 35027377), (11, 22290149), (49, 5003911), (77, 3184307), (193, 1270423), (539, 454901), (1351, 181489), (2123, 115493), (2357, 104027), (9457, 25927), (14861, 16499)]