156931418

素因数分解:

$2^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 277305600

約数和(自身を除く): 120374182

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 343, 686, 721, 1442, 2221, 4442, 5047, 10094, 15547, 31094, 35329, 70658, 108829, 217658, 228763, 457526, 761803, 1523606, 1601341, 3202682, 11209387, 22418774, 78465709, 156931418]

約数ペア:

[(1, 156931418), (2, 78465709), (7, 22418774), (14, 11209387), (49, 3202682), (98, 1601341), (103, 1523606), (206, 761803), (343, 457526), (686, 228763), (721, 217658), (1442, 108829), (2221, 70658), (4442, 35329), (5047, 31094), (10094, 15547)]