261004828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{405287}}^1$

素因数の和:405321

約数の個数: 24

約数和(自身を含む): 544707072

約数和(自身を除く): 283702244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 405287, 810574, 1621148, 2837009, 5674018, 9321601, 11348036, 18643202, 37286404, 65251207, 130502414, 261004828]

約数ペア:

[(1, 261004828), (2, 130502414), (4, 65251207), (7, 37286404), (14, 18643202), (23, 11348036), (28, 9321601), (46, 5674018), (92, 2837009), (161, 1621148), (322, 810574), (644, 405287)]