199945616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{961277}}^1$

素因数の和:961298

約数の個数: 20

約数和(自身を含む): 417194652

約数和(自身を除く): 217249036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 961277, 1922554, 3845108, 7690216, 12496601, 15380432, 24993202, 49986404, 99972808, 199945616]

約数ペア:

[(1, 199945616), (2, 99972808), (4, 49986404), (8, 24993202), (13, 15380432), (16, 12496601), (26, 7690216), (52, 3845108), (104, 1922554), (208, 961277)]