13758451

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 17694720

約数和(自身を除く): 3936269

約数列:

[1, 7, 19, 31, 47, 71, 133, 217, 329, 497, 589, 893, 1349, 1457, 2201, 3337, 4123, 6251, 9443, 10199, 15407, 23359, 27683, 41819, 63403, 103447, 193781, 292733, 443821, 724129, 1965493, 13758451]

約数ペア:

[(1, 13758451), (7, 1965493), (19, 724129), (31, 443821), (47, 292733), (71, 193781), (133, 103447), (217, 63403), (329, 41819), (497, 27683), (589, 23359), (893, 15407), (1349, 10199), (1457, 9443), (2201, 6251), (3337, 4123)]