219094756

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 387254840

約数和(自身を除く): 168160084

約数列:

[1, 2, 4, 157, 314, 409, 628, 818, 853, 1636, 1706, 3412, 64213, 128426, 133921, 256852, 267842, 348877, 535684, 697754, 1395508, 54773689, 109547378, 219094756]

約数ペア:

[(1, 219094756), (2, 109547378), (4, 54773689), (157, 1395508), (314, 697754), (409, 535684), (628, 348877), (818, 267842), (853, 256852), (1636, 133921), (1706, 128426), (3412, 64213)]