13881335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 18743424

約数和(自身を除く): 4862089

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 415, 1079, 2015, 2573, 5395, 6889, 12865, 33449, 34445, 89557, 167245, 213559, 447785, 1067795, 2776267, 13881335]

約数ペア:

[(1, 13881335), (5, 2776267), (13, 1067795), (31, 447785), (65, 213559), (83, 167245), (155, 89557), (403, 34445), (415, 33449), (1079, 12865), (2015, 6889), (2573, 5395)]