1980339265

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{907}}^1\times {\mathrm{1511}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 2528874432

約数和(自身を除く): 548535167

約数列:

[1, 5, 17, 85, 289, 907, 1445, 1511, 4535, 7555, 15419, 25687, 77095, 128435, 262123, 436679, 1310615, 1370477, 2183395, 6852385, 23298109, 116490545, 396067853, 1980339265]

約数ペア:

[(1, 1980339265), (5, 396067853), (17, 116490545), (85, 23298109), (289, 6852385), (907, 2183395), (1445, 1370477), (1511, 1310615), (4535, 436679), (7555, 262123), (15419, 128435), (25687, 77095)]