128420608

素因数分解:

$2^8\times {\mathrm{311}}^1\times {\mathrm{1613}}^1$

素因数の和:1940

約数の個数: 36

約数和(自身を含む): 257323248

約数和(自身を除く): 128902640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 311, 622, 1244, 1613, 2488, 3226, 4976, 6452, 9952, 12904, 19904, 25808, 39808, 51616, 79616, 103232, 206464, 412928, 501643, 1003286, 2006572, 4013144, 8026288, 16052576, 32105152, 64210304, 128420608]

約数ペア:

[(1, 128420608), (2, 64210304), (4, 32105152), (8, 16052576), (16, 8026288), (32, 4013144), (64, 2006572), (128, 1003286), (256, 501643), (311, 412928), (622, 206464), (1244, 103232), (1613, 79616), (2488, 51616), (3226, 39808), (4976, 25808), (6452, 19904), (9952, 12904)]