211301290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{515369}}^1$

素因数の和:515417

約数の個数: 16

約数和(自身を含む): 389619720

約数和(自身を除く): 178318430

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 515369, 1030738, 2576845, 5153690, 21130129, 42260258, 105650645, 211301290]

約数ペア:

[(1, 211301290), (2, 105650645), (5, 42260258), (10, 21130129), (41, 5153690), (82, 2576845), (205, 1030738), (410, 515369)]