28517755

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 14918981

約数列:

[1, 5, 7, 17, 35, 41, 49, 85, 119, 167, 205, 245, 287, 595, 697, 833, 835, 1169, 1435, 2009, 2839, 3485, 4165, 4879, 5845, 6847, 8183, 10045, 14195, 19873, 24395, 34153, 34235, 40915, 47929, 99365, 116399, 139111, 170765, 239645, 335503, 581995, 695555, 814793, 1677515, 4073965, 5703551, 28517755]

約数ペア:

[(1, 28517755), (5, 5703551), (7, 4073965), (17, 1677515), (35, 814793), (41, 695555), (49, 581995), (85, 335503), (119, 239645), (167, 170765), (205, 139111), (245, 116399), (287, 99365), (595, 47929), (697, 40915), (833, 34235), (835, 34153), (1169, 24395), (1435, 19873), (2009, 14195), (2839, 10045), (3485, 8183), (4165, 6847), (4879, 5845)]