64839248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213287}}^1$

素因数の和:213314

約数の個数: 20

約数和(自身を含む): 132238560

約数和(自身を除く): 67399312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213287, 426574, 853148, 1706296, 3412592, 4052453, 8104906, 16209812, 32419624, 64839248]

約数ペア:

[(1, 64839248), (2, 32419624), (4, 16209812), (8, 8104906), (16, 4052453), (19, 3412592), (38, 1706296), (76, 853148), (152, 426574), (304, 213287)]