2639826

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 6909084

約数和(自身を除く): 4269258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 73, 82, 98, 123, 126, 146, 147, 219, 246, 287, 294, 369, 438, 441, 511, 574, 657, 738, 861, 882, 1022, 1314, 1533, 1722, 2009, 2583, 2993, 3066, 3577, 4018, 4599, 5166, 5986, 6027, 7154, 8979, 9198, 10731, 12054, 17958, 18081, 20951, 21462, 26937, 32193, 36162, 41902, 53874, 62853, 64386, 125706, 146657, 188559, 293314, 377118, 439971, 879942, 1319913, 2639826]

約数ペア:

[(1, 2639826), (2, 1319913), (3, 879942), (6, 439971), (7, 377118), (9, 293314), (14, 188559), (18, 146657), (21, 125706), (41, 64386), (42, 62853), (49, 53874), (63, 41902), (73, 36162), (82, 32193), (98, 26937), (123, 21462), (126, 20951), (146, 18081), (147, 17958), (219, 12054), (246, 10731), (287, 9198), (294, 8979), (369, 7154), (438, 6027), (441, 5986), (511, 5166), (574, 4599), (657, 4018), (738, 3577), (861, 3066), (882, 2993), (1022, 2583), (1314, 2009), (1533, 1722)]