81784808

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13649}}^1$

素因数の和:13769

約数の個数: 32

約数和(自身を含む): 176904000

約数和(自身を除く): 95119192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 5992, 13649, 27298, 54596, 95543, 109192, 191086, 382172, 764344, 1460443, 2920886, 5841772, 10223101, 11683544, 20446202, 40892404, 81784808]

約数ペア:

[(1, 81784808), (2, 40892404), (4, 20446202), (7, 11683544), (8, 10223101), (14, 5841772), (28, 2920886), (56, 1460443), (107, 764344), (214, 382172), (428, 191086), (749, 109192), (856, 95543), (1498, 54596), (2996, 27298), (5992, 13649)]