251133545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4729}}^1$

素因数の和:4809

約数の個数: 32

約数和(自身を含む): 349641600

約数和(自身を除く): 98508055

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 817, 1235, 2795, 4085, 4729, 10621, 23645, 53105, 61477, 89851, 203347, 307385, 449255, 1016735, 1168063, 2643511, 3863593, 5840315, 13217555, 19317965, 50226709, 251133545]

約数ペア:

[(1, 251133545), (5, 50226709), (13, 19317965), (19, 13217555), (43, 5840315), (65, 3863593), (95, 2643511), (215, 1168063), (247, 1016735), (559, 449255), (817, 307385), (1235, 203347), (2795, 89851), (4085, 61477), (4729, 53105), (10621, 23645)]