2011158905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71917}}^1$

素因数の和:71993

約数の個数: 32

約数和(自身を含む): 2982583296

約数和(自身を除く): 971424391

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 1645, 3995, 5593, 27965, 71917, 359585, 503419, 1222589, 2517095, 3380099, 6112945, 8558123, 16900495, 23660693, 42790615, 57461683, 118303465, 287308415, 402231781, 2011158905]

約数ペア:

[(1, 2011158905), (5, 402231781), (7, 287308415), (17, 118303465), (35, 57461683), (47, 42790615), (85, 23660693), (119, 16900495), (235, 8558123), (329, 6112945), (595, 3380099), (799, 2517095), (1645, 1222589), (3995, 503419), (5593, 359585), (27965, 71917)]