28867615

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 15455585

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 239, 245, 493, 595, 833, 1015, 1195, 1421, 1673, 2465, 3451, 4063, 4165, 6931, 7105, 8365, 11711, 17255, 20315, 24157, 28441, 34655, 48517, 58555, 117827, 120785, 142205, 199087, 242585, 339619, 589135, 824789, 995435, 1698095, 4123945, 5773523, 28867615]

約数ペア:

[(1, 28867615), (5, 5773523), (7, 4123945), (17, 1698095), (29, 995435), (35, 824789), (49, 589135), (85, 339619), (119, 242585), (145, 199087), (203, 142205), (239, 120785), (245, 117827), (493, 58555), (595, 48517), (833, 34655), (1015, 28441), (1195, 24157), (1421, 20315), (1673, 17255), (2465, 11711), (3451, 8365), (4063, 7105), (4165, 6931)]