390213019

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2617}}^1$

素因数の和:2827

約数の個数: 24

約数和(自身を含む): 483492240

約数和(自身を除く): 93279221

約数列:

[1, 7, 17, 49, 119, 179, 833, 1253, 2617, 3043, 8771, 18319, 21301, 44489, 128233, 149107, 311423, 468443, 2179961, 3279101, 7963531, 22953707, 55744717, 390213019]

約数ペア:

[(1, 390213019), (7, 55744717), (17, 22953707), (49, 7963531), (119, 3279101), (179, 2179961), (833, 468443), (1253, 311423), (2617, 149107), (3043, 128233), (8771, 44489), (18319, 21301)]