81649532

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{12143}}^1$

素因数の和:12229

約数の個数: 18

約数和(自身を含む): 146468784

約数和(自身を除く): 64819252

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 12143, 24286, 48572, 497863, 995726, 1991452, 20412383, 40824766, 81649532]

約数ペア:

[(1, 81649532), (2, 40824766), (4, 20412383), (41, 1991452), (82, 995726), (164, 497863), (1681, 48572), (3362, 24286), (6724, 12143)]