81029956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170231}}^1$

素因数の和:170259

約数の個数: 24

約数和(自身を含む): 171593856

約数和(自身を除く): 90563900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170231, 340462, 680924, 1191617, 2383234, 2893927, 4766468, 5787854, 11575708, 20257489, 40514978, 81029956]

約数ペア:

[(1, 81029956), (2, 40514978), (4, 20257489), (7, 11575708), (14, 5787854), (17, 4766468), (28, 2893927), (34, 2383234), (68, 1191617), (119, 680924), (238, 340462), (476, 170231)]