645387886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2256601}}^1$

素因数の和:2256627

約数の個数: 16

約数和(自身を含む): 1137327408

約数和(自身を除く): 491939522

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 2256601, 4513202, 24822611, 29335813, 49645222, 58671626, 322693943, 645387886]

約数ペア:

[(1, 645387886), (2, 322693943), (11, 58671626), (13, 49645222), (22, 29335813), (26, 24822611), (143, 4513202), (286, 2256601)]