191981570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{6791}}^1$

素因数の和:7066

約数の個数: 32

約数和(自身を含む): 378504576

約数和(自身を除く): 186523006

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 2570, 2827, 5654, 6791, 13582, 14135, 28270, 33955, 67910, 74701, 149402, 373505, 747010, 1745287, 3490574, 8726435, 17452870, 19198157, 38396314, 95990785, 191981570]

約数ペア:

[(1, 191981570), (2, 95990785), (5, 38396314), (10, 19198157), (11, 17452870), (22, 8726435), (55, 3490574), (110, 1745287), (257, 747010), (514, 373505), (1285, 149402), (2570, 74701), (2827, 67910), (5654, 33955), (6791, 28270), (13582, 14135)]