78414427

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21017}}^1$

素因数の和:21078

約数の個数: 16

約数和(自身を含む): 98868672

約数和(自身を除く): 20454245

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 21017, 147119, 273221, 861697, 1912547, 6031879, 11202061, 78414427]

約数ペア:

[(1, 78414427), (7, 11202061), (13, 6031879), (41, 1912547), (91, 861697), (287, 273221), (533, 147119), (3731, 21017)]