81239039

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{1163}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 98558208

約数和(自身を除く): 17319169

約数列:

[1, 7, 17, 119, 587, 1163, 4109, 8141, 9979, 19771, 69853, 138397, 682681, 4778767, 11605577, 81239039]

約数ペア:

[(1, 81239039), (7, 11605577), (17, 4778767), (119, 682681), (587, 138397), (1163, 69853), (4109, 19771), (8141, 9979)]