553618490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{2087}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 1022886144

約数和(自身を除く): 469267654

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 647, 1294, 2087, 3235, 4174, 6470, 10435, 20870, 26527, 53054, 85567, 132635, 171134, 265270, 427835, 855670, 1350289, 2700578, 6751445, 13502890, 55361849, 110723698, 276809245, 553618490]

約数ペア:

[(1, 553618490), (2, 276809245), (5, 110723698), (10, 55361849), (41, 13502890), (82, 6751445), (205, 2700578), (410, 1350289), (647, 855670), (1294, 427835), (2087, 265270), (3235, 171134), (4174, 132635), (6470, 85567), (10435, 53054), (20870, 26527)]