81029284

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70583}}^1$

素因数の和:70635

約数の個数: 24

約数和(自身を含む): 166013568

約数和(自身を除く): 84984284

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70583, 141166, 282332, 494081, 988162, 1976324, 2893903, 5787806, 11575612, 20257321, 40514642, 81029284]

約数ペア:

[(1, 81029284), (2, 40514642), (4, 20257321), (7, 11575612), (14, 5787806), (28, 2893903), (41, 1976324), (82, 988162), (164, 494081), (287, 282332), (574, 141166), (1148, 70583)]