28252385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 13261087

約数列:

[1, 5, 7, 17, 35, 85, 103, 119, 461, 515, 595, 721, 1751, 2305, 3227, 3605, 7837, 8755, 12257, 16135, 39185, 47483, 54859, 61285, 237415, 274295, 332381, 807211, 1661905, 4036055, 5650477, 28252385]

約数ペア:

[(1, 28252385), (5, 5650477), (7, 4036055), (17, 1661905), (35, 807211), (85, 332381), (103, 274295), (119, 237415), (461, 61285), (515, 54859), (595, 47483), (721, 39185), (1751, 16135), (2305, 12257), (3227, 8755), (3605, 7837)]