1027408

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:574

約数の個数: 20

約数和(自身を含む): 2008180

約数和(自身を除く): 980772

約数列:

[1, 2, 4, 8, 16, 157, 314, 409, 628, 818, 1256, 1636, 2512, 3272, 6544, 64213, 128426, 256852, 513704, 1027408]

約数ペア:

[(1, 1027408), (2, 513704), (4, 256852), (8, 128426), (16, 64213), (157, 6544), (314, 3272), (409, 2512), (628, 1636), (818, 1256)]