28172585

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 12746455

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 443, 553, 805, 1817, 2215, 2765, 3101, 9085, 10189, 12719, 15505, 34997, 50945, 63595, 71323, 174985, 244979, 356615, 804931, 1224895, 4024655, 5634517, 28172585]

約数ペア:

[(1, 28172585), (5, 5634517), (7, 4024655), (23, 1224895), (35, 804931), (79, 356615), (115, 244979), (161, 174985), (395, 71323), (443, 63595), (553, 50945), (805, 34997), (1817, 15505), (2215, 12719), (2765, 10189), (3101, 9085)]