840509826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{66109}}^1$

素因数の和:66290

約数の個数: 32

約数和(自身を含む): 1821462720

約数和(自身を除く): 980952894

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 12714, 66109, 132218, 198327, 396654, 859417, 1718834, 2578251, 5156502, 10775767, 21551534, 32327301, 64654602, 140084971, 280169942, 420254913, 840509826]

約数ペア:

[(1, 840509826), (2, 420254913), (3, 280169942), (6, 140084971), (13, 64654602), (26, 32327301), (39, 21551534), (78, 10775767), (163, 5156502), (326, 2578251), (489, 1718834), (978, 859417), (2119, 396654), (4238, 198327), (6357, 132218), (12714, 66109)]