639518828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{52783}}^1$

素因数の和:53033

約数の個数: 24

約数和(自身を含む): 1210442688

約数和(自身を除く): 570923860

約数列:

[1, 2, 4, 13, 26, 52, 233, 466, 932, 3029, 6058, 12116, 52783, 105566, 211132, 686179, 1372358, 2744716, 12298439, 24596878, 49193756, 159879707, 319759414, 639518828]

約数ペア:

[(1, 639518828), (2, 319759414), (4, 159879707), (13, 49193756), (26, 24596878), (52, 12298439), (233, 2744716), (466, 1372358), (932, 686179), (3029, 211132), (6058, 105566), (12116, 52783)]