638001886

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{63131}}^1$

素因数の和:63327

約数の個数: 16

約数和(自身を含む): 993950208

約数和(自身を除く): 355948322

約数列:

[1, 2, 31, 62, 163, 326, 5053, 10106, 63131, 126262, 1957061, 3914122, 10290353, 20580706, 319000943, 638001886]

約数ペア:

[(1, 638001886), (2, 319000943), (31, 20580706), (62, 10290353), (163, 3914122), (326, 1957061), (5053, 126262), (10106, 63131)]