64892144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213461}}^1$

素因数の和:213488

約数の個数: 20

約数和(自身を含む): 132346440

約数和(自身を除く): 67454296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213461, 426922, 853844, 1707688, 3415376, 4055759, 8111518, 16223036, 32446072, 64892144]

約数ペア:

[(1, 64892144), (2, 32446072), (4, 16223036), (8, 8111518), (16, 4055759), (19, 3415376), (38, 1707688), (76, 853844), (152, 426922), (304, 213461)]