13638295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 19445760

約数和(自身を除く): 5807465

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 421, 589, 1045, 1705, 2105, 2945, 4631, 6479, 7999, 13051, 23155, 32395, 39995, 65255, 87989, 143561, 247969, 439945, 717805, 1239845, 2727659, 13638295]

約数ペア:

[(1, 13638295), (5, 2727659), (11, 1239845), (19, 717805), (31, 439945), (55, 247969), (95, 143561), (155, 87989), (209, 65255), (341, 39995), (421, 32395), (589, 23155), (1045, 13051), (1705, 7999), (2105, 6479), (2945, 4631)]