290421716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{8713}}^1$

素因数の和:9371

約数の個数: 24

約数和(自身を含む): 548250024

約数和(自身を除く): 257828308

約数列:

[1, 2, 4, 13, 26, 52, 641, 1282, 2564, 8333, 8713, 16666, 17426, 33332, 34852, 113269, 226538, 453076, 5585033, 11170066, 22340132, 72605429, 145210858, 290421716]

約数ペア:

[(1, 290421716), (2, 145210858), (4, 72605429), (13, 22340132), (26, 11170066), (52, 5585033), (641, 453076), (1282, 226538), (2564, 113269), (8333, 34852), (8713, 33332), (16666, 17426)]