81729004

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78889}}^1$

素因数の和:78937

約数の個数: 24

約数和(自身を含む): 167877920

約数和(自身を除く): 86148916

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78889, 157778, 315556, 552223, 1104446, 2208892, 2918893, 5837786, 11675572, 20432251, 40864502, 81729004]

約数ペア:

[(1, 81729004), (2, 40864502), (4, 20432251), (7, 11675572), (14, 5837786), (28, 2918893), (37, 2208892), (74, 1104446), (148, 552223), (259, 315556), (518, 157778), (1036, 78889)]