258736

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 20

約数和(自身を含む): 509392

約数和(自身を除く): 250656

約数列:

[1, 2, 4, 8, 16, 103, 157, 206, 314, 412, 628, 824, 1256, 1648, 2512, 16171, 32342, 64684, 129368, 258736]

約数ペア:

[(1, 258736), (2, 129368), (4, 64684), (8, 32342), (16, 16171), (103, 2512), (157, 1648), (206, 1256), (314, 824), (412, 628)]