31391216

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{8209}}^1$

素因数の和:8456

約数の個数: 20

約数和(自身を含む): 61082400

約数和(自身を除く): 29691184

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 8209, 16418, 32836, 65672, 131344, 1961951, 3923902, 7847804, 15695608, 31391216]

約数ペア:

[(1, 31391216), (2, 15695608), (4, 7847804), (8, 3923902), (16, 1961951), (239, 131344), (478, 65672), (956, 32836), (1912, 16418), (3824, 8209)]