28828345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3727}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 45093888

約数和(自身を除く): 16265543

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 3727, 7735, 18635, 26089, 48451, 63359, 130445, 242255, 316795, 339157, 443513, 823667, 1695785, 2217565, 4118335, 5765669, 28828345]

約数ペア:

[(1, 28828345), (5, 5765669), (7, 4118335), (13, 2217565), (17, 1695785), (35, 823667), (65, 443513), (85, 339157), (91, 316795), (119, 242255), (221, 130445), (455, 63359), (595, 48451), (1105, 26089), (1547, 18635), (3727, 7735)]