261974414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{73547}}^1$

素因数の和:73699

約数の個数: 16

約数和(自身を含む): 426284208

約数和(自身を除く): 164309794

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 73547, 147094, 956111, 1912222, 10075939, 20151878, 130987207, 261974414]

約数ペア:

[(1, 261974414), (2, 130987207), (13, 20151878), (26, 10075939), (137, 1912222), (274, 956111), (1781, 147094), (3562, 73547)]