64205121712

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{17994709}}^1$

素因数の和:17994940

約数の個数: 20

約数和(自身を含む): 124955266240

約数和(自身を除く): 60750144528

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 17994709, 35989418, 71978836, 143957672, 287915344, 4012820107, 8025640214, 16051280428, 32102560856, 64205121712]

約数ペア:

[(1, 64205121712), (2, 32102560856), (4, 16051280428), (8, 8025640214), (16, 4012820107), (223, 287915344), (446, 143957672), (892, 71978836), (1784, 35989418), (3568, 17994709)]