1638339945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{148199}}^1$

素因数の和:148285

約数の個数: 32

約数和(自身を含む): 2902348800

約数和(自身を除く): 1264008855

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 2211, 3685, 11055, 148199, 444597, 740995, 1630189, 2222985, 4890567, 8150945, 9929333, 24452835, 29787999, 49646665, 109222663, 148939995, 327667989, 546113315, 1638339945]

約数ペア:

[(1, 1638339945), (3, 546113315), (5, 327667989), (11, 148939995), (15, 109222663), (33, 49646665), (55, 29787999), (67, 24452835), (165, 9929333), (201, 8150945), (335, 4890567), (737, 2222985), (1005, 1630189), (2211, 740995), (3685, 444597), (11055, 148199)]