28528565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 10057675

約数列:

[1, 5, 13, 43, 59, 65, 173, 215, 295, 559, 767, 865, 2249, 2537, 2795, 3835, 7439, 10207, 11245, 12685, 32981, 37195, 51035, 96707, 132691, 164905, 438901, 483535, 663455, 2194505, 5705713, 28528565]

約数ペア:

[(1, 28528565), (5, 5705713), (13, 2194505), (43, 663455), (59, 483535), (65, 438901), (173, 164905), (215, 132691), (295, 96707), (559, 51035), (767, 37195), (865, 32981), (2249, 12685), (2537, 11245), (2795, 10207), (3835, 7439)]