128595128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{2251}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 249026160

約数和(自身を除く): 120431032

約数列:

[1, 2, 4, 8, 37, 74, 148, 193, 296, 386, 772, 1544, 2251, 4502, 7141, 9004, 14282, 18008, 28564, 57128, 83287, 166574, 333148, 434443, 666296, 868886, 1737772, 3475544, 16074391, 32148782, 64297564, 128595128]

約数ペア:

[(1, 128595128), (2, 64297564), (4, 32148782), (8, 16074391), (37, 3475544), (74, 1737772), (148, 868886), (193, 666296), (296, 434443), (386, 333148), (772, 166574), (1544, 83287), (2251, 57128), (4502, 28564), (7141, 18008), (9004, 14282)]