211325890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{515429}}^1$

素因数の和:515477

約数の個数: 16

約数和(自身を含む): 389665080

約数和(自身を除く): 178339190

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 515429, 1030858, 2577145, 5154290, 21132589, 42265178, 105662945, 211325890]

約数ペア:

[(1, 211325890), (2, 105662945), (5, 42265178), (10, 21132589), (41, 5154290), (82, 2577145), (205, 1030858), (410, 515429)]