646564477

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 749629440

約数和(自身を除く): 103064963

約数列:

[1, 13, 23, 47, 139, 299, 331, 611, 1081, 1807, 3197, 4303, 6533, 7613, 14053, 15557, 41561, 46009, 84929, 98969, 150259, 202241, 357811, 598117, 1058207, 1953367, 2162423, 4651543, 13756691, 28111499, 49735729, 646564477]

約数ペア:

[(1, 646564477), (13, 49735729), (23, 28111499), (47, 13756691), (139, 4651543), (299, 2162423), (331, 1953367), (611, 1058207), (1081, 598117), (1807, 357811), (3197, 202241), (4303, 150259), (6533, 98969), (7613, 84929), (14053, 46009), (15557, 41561)]