87820555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 120528000

約数和(自身を除く): 32707445

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 667, 1549, 1955, 2465, 3335, 7745, 11339, 26333, 35627, 44921, 56695, 131665, 178135, 224605, 605659, 763657, 1033183, 3028295, 3818285, 5165915, 17564111, 87820555]

約数ペア:

[(1, 87820555), (5, 17564111), (17, 5165915), (23, 3818285), (29, 3028295), (85, 1033183), (115, 763657), (145, 605659), (391, 224605), (493, 178135), (667, 131665), (1549, 56695), (1955, 44921), (2465, 35627), (3335, 26333), (7745, 11339)]