78340165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 104859360

約数和(自身を除く): 26519195

約数列:

[1, 5, 17, 29, 61, 85, 145, 305, 493, 521, 1037, 1769, 2465, 2605, 5185, 8845, 8857, 15109, 30073, 31781, 44285, 75545, 150365, 158905, 256853, 540277, 921649, 1284265, 2701385, 4608245, 15668033, 78340165]

約数ペア:

[(1, 78340165), (5, 15668033), (17, 4608245), (29, 2701385), (61, 1284265), (85, 921649), (145, 540277), (305, 256853), (493, 158905), (521, 150365), (1037, 75545), (1769, 44285), (2465, 31781), (2605, 30073), (5185, 15109), (8845, 8857)]