81492836836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{1130777}}^1$

素因数の和:1131243

約数の個数: 24

約数和(自身を含む): 146277442080

約数和(自身を除く): 64784605244

約数列:

[1, 2, 4, 43, 86, 172, 419, 838, 1676, 18017, 36034, 72068, 1130777, 2261554, 4523108, 48623411, 97246822, 194493644, 473795563, 947591126, 1895182252, 20373209209, 40746418418, 81492836836]

約数ペア:

[(1, 81492836836), (2, 40746418418), (4, 20373209209), (43, 1895182252), (86, 947591126), (172, 473795563), (419, 194493644), (838, 97246822), (1676, 48623411), (18017, 4523108), (36034, 2261554), (72068, 1130777)]