1291245325

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{3761}}^1$

素因数の和:4245

約数の個数: 24

約数和(自身を含む): 1656965376

約数和(自身を除く): 365720051

約数列:

[1, 5, 25, 31, 155, 443, 775, 2215, 3761, 11075, 13733, 18805, 68665, 94025, 116591, 343325, 582955, 1666123, 2914775, 8330615, 41653075, 51649813, 258249065, 1291245325]

約数ペア:

[(1, 1291245325), (5, 258249065), (25, 51649813), (31, 41653075), (155, 8330615), (443, 2914775), (775, 1666123), (2215, 582955), (3761, 343325), (11075, 116591), (13733, 94025), (18805, 68665)]