13397945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12821}}^1$

素因数の和:12856

約数の個数: 16

約数和(自身を含む): 18463680

約数和(自身を除く): 5065735

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12821, 64105, 141031, 243599, 705155, 1217995, 2679589, 13397945]

約数ペア:

[(1, 13397945), (5, 2679589), (11, 1217995), (19, 705155), (55, 243599), (95, 141031), (209, 64105), (1045, 12821)]