71990905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3733}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 107539200

約数和(自身を除く): 35548295

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 2755, 3733, 3857, 18665, 19285, 26131, 70927, 108257, 130655, 354635, 496489, 541285, 757799, 2056883, 2482445, 3788995, 10284415, 14398181, 71990905]

約数ペア:

[(1, 71990905), (5, 14398181), (7, 10284415), (19, 3788995), (29, 2482445), (35, 2056883), (95, 757799), (133, 541285), (145, 496489), (203, 354635), (551, 130655), (665, 108257), (1015, 70927), (2755, 26131), (3733, 19285), (3857, 18665)]