258339965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 344687616

約数和(自身を除く): 86347651

約数列:

[1, 5, 13, 47, 65, 103, 235, 515, 611, 821, 1339, 3055, 4105, 4841, 6695, 10673, 24205, 38587, 53365, 62933, 84563, 192935, 314665, 422815, 501631, 1099319, 2508155, 3974461, 5496595, 19872305, 51667993, 258339965]

約数ペア:

[(1, 258339965), (5, 51667993), (13, 19872305), (47, 5496595), (65, 3974461), (103, 2508155), (235, 1099319), (515, 501631), (611, 422815), (821, 314665), (1339, 192935), (3055, 84563), (4105, 62933), (4841, 53365), (6695, 38587), (10673, 24205)]