28478002

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1499}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 23361998

約数列:

[1, 2, 7, 14, 23, 46, 59, 118, 161, 322, 413, 826, 1357, 1499, 2714, 2998, 9499, 10493, 18998, 20986, 34477, 68954, 88441, 176882, 241339, 482678, 619087, 1238174, 2034143, 4068286, 14239001, 28478002]

約数ペア:

[(1, 28478002), (2, 14239001), (7, 4068286), (14, 2034143), (23, 1238174), (46, 619087), (59, 482678), (118, 241339), (161, 176882), (322, 88441), (413, 68954), (826, 34477), (1357, 20986), (1499, 18998), (2714, 10493), (2998, 9499)]