28484135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9255385

約数列:

[1, 5, 19, 41, 71, 95, 103, 205, 355, 515, 779, 1349, 1957, 2911, 3895, 4223, 6745, 7313, 9785, 14555, 21115, 36565, 55309, 80237, 138947, 276545, 299833, 401185, 694735, 1499165, 5696827, 28484135]

約数ペア:

[(1, 28484135), (5, 5696827), (19, 1499165), (41, 694735), (71, 401185), (95, 299833), (103, 276545), (205, 138947), (355, 80237), (515, 55309), (779, 36565), (1349, 21115), (1957, 14555), (2911, 9785), (3895, 7313), (4223, 6745)]