17221945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 22728600

約数和(自身を除く): 5506655

約数列:

[1, 5, 13, 65, 89, 169, 229, 445, 845, 1145, 1157, 2977, 5785, 14885, 15041, 20381, 38701, 75205, 101905, 193505, 264953, 1324765, 3444389, 17221945]

約数ペア:

[(1, 17221945), (5, 3444389), (13, 1324765), (65, 264953), (89, 193505), (169, 101905), (229, 75205), (445, 38701), (845, 20381), (1145, 15041), (1157, 14885), (2977, 5785)]