64496944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212161}}^1$

素因数の和:212188

約数の個数: 20

約数和(自身を含む): 131540440

約数和(自身を除く): 67043496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212161, 424322, 848644, 1697288, 3394576, 4031059, 8062118, 16124236, 32248472, 64496944]

約数ペア:

[(1, 64496944), (2, 32248472), (4, 16124236), (8, 8062118), (16, 4031059), (19, 3394576), (38, 1697288), (76, 848644), (152, 424322), (304, 212161)]