78891239

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3931}}^1$

素因数の和:4046

約数の個数: 16

約数和(自身を含む): 93613056

約数和(自身を除く): 14721817

約数列:

[1, 7, 47, 61, 329, 427, 2867, 3931, 20069, 27517, 184757, 239791, 1293299, 1678537, 11270177, 78891239]

約数ペア:

[(1, 78891239), (7, 11270177), (47, 1678537), (61, 1293299), (329, 239791), (427, 184757), (2867, 27517), (3931, 20069)]