661924242

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{39499}}^1$

素因数の和:39540

約数の個数: 72

約数和(自身を含む): 1756170000

約数和(自身を除く): 1094245758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 16758, 39499, 78998, 118497, 236994, 276493, 355491, 552986, 710982, 750481, 829479, 1500962, 1658958, 1935451, 2251443, 2488437, 3870902, 4502886, 4976874, 5253367, 5806353, 6754329, 10506734, 11612706, 13508658, 15760101, 17419059, 31520202, 34838118, 36773569, 47280303, 73547138, 94560606, 110320707, 220641414, 330962121, 661924242]

約数ペア:

[(1, 661924242), (2, 330962121), (3, 220641414), (6, 110320707), (7, 94560606), (9, 73547138), (14, 47280303), (18, 36773569), (19, 34838118), (21, 31520202), (38, 17419059), (42, 15760101), (49, 13508658), (57, 11612706), (63, 10506734), (98, 6754329), (114, 5806353), (126, 5253367), (133, 4976874), (147, 4502886), (171, 3870902), (266, 2488437), (294, 2251443), (342, 1935451), (399, 1658958), (441, 1500962), (798, 829479), (882, 750481), (931, 710982), (1197, 552986), (1862, 355491), (2394, 276493), (2793, 236994), (5586, 118497), (8379, 78998), (16758, 39499)]