42147868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65447}}^1$

素因数の和:65481

約数の個数: 24

約数和(自身を含む): 87962112

約数和(自身を除く): 45814244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 65447, 130894, 261788, 458129, 916258, 1505281, 1832516, 3010562, 6021124, 10536967, 21073934, 42147868]

約数ペア:

[(1, 42147868), (2, 21073934), (4, 10536967), (7, 6021124), (14, 3010562), (23, 1832516), (28, 1505281), (46, 916258), (92, 458129), (161, 261788), (322, 130894), (644, 65447)]