28295735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 11802505

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 883, 1105, 1885, 2465, 4415, 6409, 11479, 15011, 25607, 32045, 57395, 75055, 128035, 195143, 332891, 435319, 975715, 1664455, 2176595, 5659147, 28295735]

約数ペア:

[(1, 28295735), (5, 5659147), (13, 2176595), (17, 1664455), (29, 975715), (65, 435319), (85, 332891), (145, 195143), (221, 128035), (377, 75055), (493, 57395), (883, 32045), (1105, 25607), (1885, 15011), (2465, 11479), (4415, 6409)]