1407005990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349133}}^1$

素因数の和:349184

約数の個数: 32

約数和(自身を含む): 2815416576

約数和(自身を除く): 1408410586

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 349133, 698266, 1745665, 3491330, 4538729, 9077458, 10823123, 21646246, 22693645, 45387290, 54115615, 108231230, 140700599, 281401198, 703502995, 1407005990]

約数ペア:

[(1, 1407005990), (2, 703502995), (5, 281401198), (10, 140700599), (13, 108231230), (26, 54115615), (31, 45387290), (62, 22693645), (65, 21646246), (130, 10823123), (155, 9077458), (310, 4538729), (403, 3491330), (806, 1745665), (2015, 698266), (4030, 349133)]