640168158248

素因数分解:

$2^3\times {\mathrm{1607}}^1\times {\mathrm{49795283}}^1$

素因数の和:49796896

約数の個数: 16

約数和(自身を含む): 1201062250080

約数和(自身を除く): 560894091832

約数列:

[1, 2, 4, 8, 1607, 3214, 6428, 12856, 49795283, 99590566, 199181132, 398362264, 80021019781, 160042039562, 320084079124, 640168158248]

約数ペア:

[(1, 640168158248), (2, 320084079124), (4, 160042039562), (8, 80021019781), (1607, 398362264), (3214, 199181132), (6428, 99590566), (12856, 49795283)]