81498170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36877}}^1$

素因数の和:36914

約数の個数: 32

約数和(自身を含む): 167278608

約数和(自身を除く): 85780438

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36877, 73754, 184385, 368770, 479401, 626909, 958802, 1253818, 2397005, 3134545, 4794010, 6269090, 8149817, 16299634, 40749085, 81498170]

約数ペア:

[(1, 81498170), (2, 40749085), (5, 16299634), (10, 8149817), (13, 6269090), (17, 4794010), (26, 3134545), (34, 2397005), (65, 1253818), (85, 958802), (130, 626909), (170, 479401), (221, 368770), (442, 184385), (1105, 73754), (2210, 36877)]