25679615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 9519745

約数列:

[1, 5, 13, 23, 65, 89, 115, 193, 299, 445, 965, 1157, 1495, 2047, 2509, 4439, 5785, 10235, 12545, 17177, 22195, 26611, 57707, 85885, 133055, 223301, 288535, 395071, 1116505, 1975355, 5135923, 25679615]

約数ペア:

[(1, 25679615), (5, 5135923), (13, 1975355), (23, 1116505), (65, 395071), (89, 288535), (115, 223301), (193, 133055), (299, 85885), (445, 57707), (965, 26611), (1157, 22195), (1495, 17177), (2047, 12545), (2509, 10235), (4439, 5785)]