978014947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27487}}^1$

素因数の和:27547

約数の個数: 32

約数和(自身を含む): 1329979392

約数和(自身を除く): 351964445

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 1547, 2093, 2737, 5083, 27487, 35581, 192409, 357331, 467279, 632201, 2501317, 3270953, 4425407, 6074627, 8218613, 10747417, 42522389, 57530291, 75231919, 139716421, 978014947]

約数ペア:

[(1, 978014947), (7, 139716421), (13, 75231919), (17, 57530291), (23, 42522389), (91, 10747417), (119, 8218613), (161, 6074627), (221, 4425407), (299, 3270953), (391, 2501317), (1547, 632201), (2093, 467279), (2737, 357331), (5083, 192409), (27487, 35581)]