208020748

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{23671}}^1$

素因数の和:23714

約数の個数: 24

約数和(自身を含む): 394375520

約数和(自身を除く): 186354772

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788, 23671, 47342, 94684, 307723, 615446, 1230892, 4000399, 8000798, 16001596, 52005187, 104010374, 208020748]

約数ペア:

[(1, 208020748), (2, 104010374), (4, 52005187), (13, 16001596), (26, 8000798), (52, 4000399), (169, 1230892), (338, 615446), (676, 307723), (2197, 94684), (4394, 47342), (8788, 23671)]