51254315

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 73457664

約数和(自身を除く): 22203349

約数列:

[1, 5, 7, 31, 35, 97, 155, 217, 485, 487, 679, 1085, 2435, 3007, 3395, 3409, 15035, 15097, 17045, 21049, 47239, 75485, 105245, 105679, 236195, 330673, 528395, 1464409, 1653365, 7322045, 10250863, 51254315]

約数ペア:

[(1, 51254315), (5, 10250863), (7, 7322045), (31, 1653365), (35, 1464409), (97, 528395), (155, 330673), (217, 236195), (485, 105679), (487, 105245), (679, 75485), (1085, 47239), (2435, 21049), (3007, 17045), (3395, 15097), (3409, 15035)]