31472947

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 37078272

約数和(自身を除く): 5605325

約数列:

[1, 11, 23, 43, 121, 253, 263, 473, 989, 2783, 2893, 5203, 6049, 10879, 11309, 31823, 66539, 119669, 124399, 260107, 731929, 1368389, 2861177, 31472947]

約数ペア:

[(1, 31472947), (11, 2861177), (23, 1368389), (43, 731929), (121, 260107), (253, 124399), (263, 119669), (473, 66539), (989, 31823), (2783, 11309), (2893, 10879), (5203, 6049)]