156621845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 205632000

約数和(自身を除く): 49010155

約数列:

[1, 5, 19, 41, 79, 95, 205, 395, 509, 779, 1501, 2545, 3239, 3895, 7505, 9671, 16195, 20869, 40211, 48355, 61541, 104345, 201055, 307705, 396511, 764009, 1648651, 1982555, 3820045, 8243255, 31324369, 156621845]

約数ペア:

[(1, 156621845), (5, 31324369), (19, 8243255), (41, 3820045), (79, 1982555), (95, 1648651), (205, 764009), (395, 396511), (509, 307705), (779, 201055), (1501, 104345), (2545, 61541), (3239, 48355), (3895, 40211), (7505, 20869), (9671, 16195)]