81699088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268747}}^1$

素因数の和:268774

約数の個数: 20

約数和(自身を含む): 166623760

約数和(自身を除く): 84924672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268747, 537494, 1074988, 2149976, 4299952, 5106193, 10212386, 20424772, 40849544, 81699088]

約数ペア:

[(1, 81699088), (2, 40849544), (4, 20424772), (8, 10212386), (16, 5106193), (19, 4299952), (38, 2149976), (76, 1074988), (152, 537494), (304, 268747)]