81293072

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6659}}^1$

素因数の和:6783

約数の個数: 40

約数和(自身を含む): 181684800

約数和(自身を除く): 100391728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 6659, 12208, 13318, 26636, 46613, 53272, 93226, 106544, 186452, 372904, 725831, 745808, 1451662, 2903324, 5080817, 5806648, 10161634, 11613296, 20323268, 40646536, 81293072]

約数ペア:

[(1, 81293072), (2, 40646536), (4, 20323268), (7, 11613296), (8, 10161634), (14, 5806648), (16, 5080817), (28, 2903324), (56, 1451662), (109, 745808), (112, 725831), (218, 372904), (436, 186452), (763, 106544), (872, 93226), (1526, 53272), (1744, 46613), (3052, 26636), (6104, 13318), (6659, 12208)]