331509508

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 647837568

約数和(自身を除く): 316328060

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 781, 877, 1331, 1562, 1754, 2662, 3124, 3508, 5324, 8591, 9647, 17182, 19294, 34364, 38588, 62267, 94501, 106117, 124534, 189002, 212234, 249068, 378004, 424468, 684937, 1167287, 1369874, 2334574, 2739748, 4669148, 7534307, 15068614, 30137228, 82877377, 165754754, 331509508]

約数ペア:

[(1, 331509508), (2, 165754754), (4, 82877377), (11, 30137228), (22, 15068614), (44, 7534307), (71, 4669148), (121, 2739748), (142, 2334574), (242, 1369874), (284, 1167287), (484, 684937), (781, 424468), (877, 378004), (1331, 249068), (1562, 212234), (1754, 189002), (2662, 124534), (3124, 106117), (3508, 94501), (5324, 62267), (8591, 38588), (9647, 34364), (17182, 19294)]