1298708575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{38971}}^1$

素因数の和:39055

約数の個数: 24

約数和(自身を含む): 1701049856

約数和(自身を除く): 402341281

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 6665, 33325, 38971, 194855, 974275, 1208101, 1675753, 6040505, 8378765, 30202525, 41893825, 51948343, 259741715, 1298708575]

約数ペア:

[(1, 1298708575), (5, 259741715), (25, 51948343), (31, 41893825), (43, 30202525), (155, 8378765), (215, 6040505), (775, 1675753), (1075, 1208101), (1333, 974275), (6665, 194855), (33325, 38971)]