807770018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{142867}}^1$

素因数の和:143137

約数の個数: 16

約数和(自身を含む): 1326957984

約数和(自身を除く): 519187966

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 142867, 285734, 1571537, 3143074, 36716819, 73433638, 403885009, 807770018]

約数ペア:

[(1, 807770018), (2, 403885009), (11, 73433638), (22, 36716819), (257, 3143074), (514, 1571537), (2827, 285734), (5654, 142867)]