87212945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{22391}}^1$

素因数の和:22456

約数の個数: 16

約数和(自身を含む): 112855680

約数和(自身を除く): 25642735

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 22391, 111955, 425429, 918031, 2127145, 4590155, 17442589, 87212945]

約数ペア:

[(1, 87212945), (5, 17442589), (19, 4590155), (41, 2127145), (95, 918031), (205, 425429), (779, 111955), (3895, 22391)]