389968355

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1303}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 567834624

約数和(自身を除く): 177866269

約数列:

[1, 5, 7, 17, 35, 85, 119, 503, 595, 1303, 2515, 3521, 6515, 8551, 9121, 17605, 22151, 42755, 45605, 59857, 110755, 155057, 299285, 655409, 775285, 3277045, 4587863, 11141953, 22939315, 55709765, 77993671, 389968355]

約数ペア:

[(1, 389968355), (5, 77993671), (7, 55709765), (17, 22939315), (35, 11141953), (85, 4587863), (119, 3277045), (503, 775285), (595, 655409), (1303, 299285), (2515, 155057), (3521, 110755), (6515, 59857), (8551, 45605), (9121, 42755), (17605, 22151)]