81258863

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 95986176

約数和(自身を除く): 14727313

約数列:

[1, 7, 43, 103, 301, 721, 2621, 4429, 18347, 31003, 112703, 269963, 788921, 1889741, 11608409, 81258863]

約数ペア:

[(1, 81258863), (7, 11608409), (43, 1889741), (103, 788921), (301, 269963), (721, 112703), (2621, 31003), (4429, 18347)]