128426992

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{77929}}^1$

素因数の和:78040

約数の個数: 20

約数和(自身を含む): 251246320

約数和(自身を除く): 122819328

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 77929, 155858, 311716, 623432, 1246864, 8026687, 16053374, 32106748, 64213496, 128426992]

約数ペア:

[(1, 128426992), (2, 64213496), (4, 32106748), (8, 16053374), (16, 8026687), (103, 1246864), (206, 623432), (412, 311716), (824, 155858), (1648, 77929)]