79121819

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 94824288

約数和(自身を除く): 15702469

約数列:

[1, 7, 49, 61, 103, 257, 427, 721, 1799, 2989, 5047, 6283, 12593, 15677, 26471, 43981, 109739, 185297, 307867, 768173, 1297079, 1614731, 11303117, 79121819]

約数ペア:

[(1, 79121819), (7, 11303117), (49, 1614731), (61, 1297079), (103, 768173), (257, 307867), (427, 185297), (721, 109739), (1799, 43981), (2989, 26471), (5047, 15677), (6283, 12593)]