81420496

素因数分解:

$2^4\times {\mathrm{1669}}^1\times {\mathrm{3049}}^1$

素因数の和:4726

約数の個数: 20

約数和(自身を含む): 157898500

約数和(自身を除く): 76478004

約数列:

[1, 2, 4, 8, 16, 1669, 3049, 3338, 6098, 6676, 12196, 13352, 24392, 26704, 48784, 5088781, 10177562, 20355124, 40710248, 81420496]

約数ペア:

[(1, 81420496), (2, 40710248), (4, 20355124), (8, 10177562), (16, 5088781), (1669, 48784), (3049, 26704), (3338, 24392), (6098, 13352), (6676, 12196)]