65428628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20087

約数の個数: 24

約数和(自身を含む): 123335520

約数和(自身を除く): 57906892

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 20021, 40042, 80084, 380399, 760798, 860903, 1521596, 1721806, 3443612, 16357157, 32714314, 65428628]

約数ペア:

[(1, 65428628), (2, 32714314), (4, 16357157), (19, 3443612), (38, 1721806), (43, 1521596), (76, 860903), (86, 760798), (172, 380399), (817, 80084), (1634, 40042), (3268, 20021)]