820121258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{577}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 1429759296

約数和(自身を除く): 609638038

約数列:

[1, 2, 11, 22, 23, 46, 53, 106, 253, 506, 577, 583, 1154, 1166, 1219, 2438, 2809, 5618, 6347, 12694, 13271, 13409, 26542, 26818, 30581, 30899, 61162, 61798, 64607, 129214, 145981, 291962, 336391, 672782, 703363, 710677, 1406726, 1421354, 1620793, 3241586, 7736993, 15473986, 17828723, 35657446, 37278239, 74556478, 410060629, 820121258]

約数ペア:

[(1, 820121258), (2, 410060629), (11, 74556478), (22, 37278239), (23, 35657446), (46, 17828723), (53, 15473986), (106, 7736993), (253, 3241586), (506, 1620793), (577, 1421354), (583, 1406726), (1154, 710677), (1166, 703363), (1219, 672782), (2438, 336391), (2809, 291962), (5618, 145981), (6347, 129214), (12694, 64607), (13271, 61798), (13409, 61162), (26542, 30899), (26818, 30581)]