28885415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1231}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 39428928

約数和(自身を除く): 10543513

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 1231, 1235, 1805, 4693, 6155, 16003, 23389, 23465, 80015, 116945, 304057, 444391, 1520285, 2221955, 5777083, 28885415]

約数ペア:

[(1, 28885415), (5, 5777083), (13, 2221955), (19, 1520285), (65, 444391), (95, 304057), (247, 116945), (361, 80015), (1231, 23465), (1235, 23389), (1805, 16003), (4693, 6155)]