31254145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25307}}^1$

素因数の和:25344

約数の個数: 16

約数和(自身を含む): 42517440

約数和(自身を除く): 11263295

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 25307, 126535, 328991, 480833, 1644955, 2404165, 6250829, 31254145]

約数ペア:

[(1, 31254145), (5, 6250829), (13, 2404165), (19, 1644955), (65, 480833), (95, 328991), (247, 126535), (1235, 25307)]