217190425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{15767}}^1$

素因数の和:15825

約数の個数: 24

約数和(自身を含む): 293284800

約数和(自身を除く): 76094375

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2755, 13775, 15767, 78835, 299573, 394175, 457243, 1497865, 2286215, 7489325, 8687617, 11431075, 43438085, 217190425]

約数ペア:

[(1, 217190425), (5, 43438085), (19, 11431075), (25, 8687617), (29, 7489325), (95, 2286215), (145, 1497865), (475, 457243), (551, 394175), (725, 299573), (2755, 78835), (13775, 15767)]