205873616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{989777}}^1$

素因数の和:989798

約数の個数: 20

約数和(自身を含む): 429563652

約数和(自身を除く): 223690036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 989777, 1979554, 3959108, 7918216, 12867101, 15836432, 25734202, 51468404, 102936808, 205873616]

約数ペア:

[(1, 205873616), (2, 102936808), (4, 51468404), (8, 25734202), (13, 15836432), (16, 12867101), (26, 7918216), (52, 3959108), (104, 1979554), (208, 989777)]