16655990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4184

約数の個数: 32

約数和(自身を含む): 33336576

約数和(自身を除く): 16680586

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4133, 8266, 20665, 41330, 53729, 107458, 128123, 256246, 268645, 537290, 640615, 1281230, 1665599, 3331198, 8327995, 16655990]

約数ペア:

[(1, 16655990), (2, 8327995), (5, 3331198), (10, 1665599), (13, 1281230), (26, 640615), (31, 537290), (62, 268645), (65, 256246), (130, 128123), (155, 107458), (310, 53729), (403, 41330), (806, 20665), (2015, 8266), (4030, 4133)]