81309676

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{16223}}^1$

素因数の和:16413

約数の個数: 24

約数和(自身を含む): 163537920

約数和(自身を除く): 82228244

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 16223, 32446, 64892, 113561, 227122, 454244, 2903917, 5807834, 11615668, 20327419, 40654838, 81309676]

約数ペア:

[(1, 81309676), (2, 40654838), (4, 20327419), (7, 11615668), (14, 5807834), (28, 2903917), (179, 454244), (358, 227122), (716, 113561), (1253, 64892), (2506, 32446), (5012, 16223)]