201088405

素因数分解:

$5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{2143}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 281567232

約数和(自身を除く): 80478827

約数列:

[1, 5, 7, 35, 49, 245, 383, 1915, 2143, 2681, 10715, 13405, 15001, 18767, 75005, 93835, 105007, 525035, 820769, 4103845, 5745383, 28726915, 40217681, 201088405]

約数ペア:

[(1, 201088405), (5, 40217681), (7, 28726915), (35, 5745383), (49, 4103845), (245, 820769), (383, 525035), (1915, 105007), (2143, 93835), (2681, 75005), (10715, 18767), (13405, 15001)]