128214709

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{2251}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 149893120

約数和(自身を除く): 21678411

約数列:

[1, 7, 79, 103, 553, 721, 2251, 8137, 15757, 56959, 177829, 231853, 1244803, 1622971, 18316387, 128214709]

約数ペア:

[(1, 128214709), (7, 18316387), (79, 1622971), (103, 1244803), (553, 231853), (721, 177829), (2251, 56959), (8137, 15757)]