222288404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{328829}}^1$

素因数の和:328859

約数の個数: 18

約数和(自身を含む): 421231230

約数和(自身を除く): 198942826

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 328829, 657658, 1315316, 4274777, 8549554, 17099108, 55572101, 111144202, 222288404]

約数ペア:

[(1, 222288404), (2, 111144202), (4, 55572101), (13, 17099108), (26, 8549554), (52, 4274777), (169, 1315316), (338, 657658), (676, 328829)]