81128974

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:712

約数の個数: 24

約数和(自身を含む): 129204720

約数和(自身を除く): 48075746

約数列:

[1, 2, 19, 38, 313, 359, 361, 626, 718, 722, 5947, 6821, 11894, 13642, 112367, 112993, 129599, 224734, 225986, 259198, 2134973, 4269946, 40564487, 81128974]

約数ペア:

[(1, 81128974), (2, 40564487), (19, 4269946), (38, 2134973), (313, 259198), (359, 225986), (361, 224734), (626, 129599), (718, 112993), (722, 112367), (5947, 13642), (6821, 11894)]