81816910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1283}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 168625152

約数和(自身を除く): 86808242

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 911, 1283, 1822, 2566, 4555, 6377, 6415, 8981, 9110, 12754, 12830, 17962, 31885, 44905, 63770, 89810, 1168813, 2337626, 5844065, 8181691, 11688130, 16363382, 40908455, 81816910]

約数ペア:

[(1, 81816910), (2, 40908455), (5, 16363382), (7, 11688130), (10, 8181691), (14, 5844065), (35, 2337626), (70, 1168813), (911, 89810), (1283, 63770), (1822, 44905), (2566, 31885), (4555, 17962), (6377, 12830), (6415, 12754), (8981, 9110)]