205651188304

素因数分解:

$2^4\times {\mathrm{20731}}^1\times {\mathrm{619999}}^1$

素因数の和:640738

約数の個数: 20

約数和(自身を含む): 398469040000

約数和(自身を除く): 192817851696

約数列:

[1, 2, 4, 8, 16, 20731, 41462, 82924, 165848, 331696, 619999, 1239998, 2479996, 4959992, 9919984, 12853199269, 25706398538, 51412797076, 102825594152, 205651188304]

約数ペア:

[(1, 205651188304), (2, 102825594152), (4, 51412797076), (8, 25706398538), (16, 12853199269), (20731, 9919984), (41462, 4959992), (82924, 2479996), (165848, 1239998), (331696, 619999)]