12971915476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{249459913}}^1$

素因数の和:249459930

約数の個数: 12

約数和(自身を含む): 24447071572

約数和(自身を除く): 11475156096

約数列:

[1, 2, 4, 13, 26, 52, 249459913, 498919826, 997839652, 3242978869, 6485957738, 12971915476]

約数ペア:

[(1, 12971915476), (2, 6485957738), (4, 3242978869), (13, 997839652), (26, 498919826), (52, 249459913)]