218870548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1856

約数の個数: 36

約数和(自身を含む): 417093600

約数和(自身を除く): 198223052

約数列:

[1, 2, 4, 13, 26, 52, 169, 199, 338, 398, 676, 796, 1627, 2587, 3254, 5174, 6508, 10348, 21151, 33631, 42302, 67262, 84604, 134524, 274963, 323773, 549926, 647546, 1099852, 1295092, 4209049, 8418098, 16836196, 54717637, 109435274, 218870548]

約数ペア:

[(1, 218870548), (2, 109435274), (4, 54717637), (13, 16836196), (26, 8418098), (52, 4209049), (169, 1295092), (199, 1099852), (338, 647546), (398, 549926), (676, 323773), (796, 274963), (1627, 134524), (2587, 84604), (3254, 67262), (5174, 42302), (6508, 33631), (10348, 21151)]