128551408

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{33617}}^1$

素因数の和:33864

約数の個数: 20

約数和(自身を含む): 250117920

約数和(自身を除く): 121566512

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 33617, 67234, 134468, 268936, 537872, 8034463, 16068926, 32137852, 64275704, 128551408]

約数ペア:

[(1, 128551408), (2, 64275704), (4, 32137852), (8, 16068926), (16, 8034463), (239, 537872), (478, 268936), (956, 134468), (1912, 67234), (3824, 33617)]