257718669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{64157}}^1$

素因数の和:64276

約数の個数: 16

約数和(自身を含む): 373656192

約数和(自身を除く): 115937523

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 64157, 192471, 834041, 2502123, 6608171, 19824513, 85906223, 257718669]

約数ペア:

[(1, 257718669), (3, 85906223), (13, 19824513), (39, 6608171), (103, 2502123), (309, 834041), (1339, 192471), (4017, 64157)]