664285438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{153841}}^1$

素因数の和:153987

約数の個数: 16

約数和(自身を含む): 1063355904

約数和(自身を除く): 399070466

約数列:

[1, 2, 17, 34, 127, 254, 2159, 4318, 153841, 307682, 2615297, 5230594, 19537807, 39075614, 332142719, 664285438]

約数ペア:

[(1, 664285438), (2, 332142719), (17, 39075614), (34, 19537807), (127, 5230594), (254, 2615297), (2159, 307682), (4318, 153841)]