291519145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 387307008

約数和(自身を除く): 95787863

約数列:

[1, 5, 17, 43, 47, 85, 215, 235, 731, 799, 1697, 2021, 3655, 3995, 8485, 10105, 28849, 34357, 72971, 79759, 144245, 171785, 364855, 398795, 1240507, 1355903, 3429637, 6202535, 6779515, 17148185, 58303829, 291519145]

約数ペア:

[(1, 291519145), (5, 58303829), (17, 17148185), (43, 6779515), (47, 6202535), (85, 3429637), (215, 1355903), (235, 1240507), (731, 398795), (799, 364855), (1697, 171785), (2021, 144245), (3655, 79759), (3995, 72971), (8485, 34357), (10105, 28849)]