7831213405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 9740497536

約数和(自身を除く): 1909284131

約数列:

[1, 5, 41, 131, 205, 331, 655, 881, 1655, 4405, 5371, 13571, 26855, 36121, 43361, 67855, 115411, 180605, 216805, 291611, 577055, 1458055, 1777801, 4731851, 8889005, 11956051, 23659255, 38201041, 59780255, 191005205, 1566242681, 7831213405]

約数ペア:

[(1, 7831213405), (5, 1566242681), (41, 191005205), (131, 59780255), (205, 38201041), (331, 23659255), (655, 11956051), (881, 8889005), (1655, 4731851), (4405, 1777801), (5371, 1458055), (13571, 577055), (26855, 291611), (36121, 216805), (43361, 180605), (67855, 115411)]