31019890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3954

約数の個数: 32

約数和(自身を含む): 61762176

約数和(自身を除く): 30742286

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 3863, 4015, 7726, 8030, 19315, 38630, 42493, 84986, 212465, 281999, 424930, 563998, 1409995, 2819990, 3101989, 6203978, 15509945, 31019890]

約数ペア:

[(1, 31019890), (2, 15509945), (5, 6203978), (10, 3101989), (11, 2819990), (22, 1409995), (55, 563998), (73, 424930), (110, 281999), (146, 212465), (365, 84986), (730, 42493), (803, 38630), (1606, 19315), (3863, 8030), (4015, 7726)]