78905648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120283}}^1$

素因数の和:120332

約数の個数: 20

約数和(自身を含む): 156609768

約数和(自身を除く): 77704120

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120283, 240566, 481132, 962264, 1924528, 4931603, 9863206, 19726412, 39452824, 78905648]

約数ペア:

[(1, 78905648), (2, 39452824), (4, 19726412), (8, 9863206), (16, 4931603), (41, 1924528), (82, 962264), (164, 481132), (328, 240566), (656, 120283)]