215880535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 299255040

約数和(自身を除く): 83374505

約数列:

[1, 5, 13, 17, 65, 79, 85, 221, 395, 1027, 1105, 1343, 2473, 5135, 6715, 12365, 17459, 32149, 42041, 87295, 160745, 195367, 210205, 546533, 976835, 2539771, 2732665, 3321239, 12698855, 16606195, 43176107, 215880535]

約数ペア:

[(1, 215880535), (5, 43176107), (13, 16606195), (17, 12698855), (65, 3321239), (79, 2732665), (85, 2539771), (221, 976835), (395, 546533), (1027, 210205), (1105, 195367), (1343, 160745), (2473, 87295), (5135, 42041), (6715, 32149), (12365, 17459)]