1239355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 1673280

約数和(自身を除く): 433925

約数列:

[1, 5, 13, 23, 65, 115, 299, 829, 1495, 4145, 10777, 19067, 53885, 95335, 247871, 1239355]

約数ペア:

[(1, 1239355), (5, 247871), (13, 95335), (23, 53885), (65, 19067), (115, 10777), (299, 4145), (829, 1495)]