68904773

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 86384640

約数和(自身を除く): 17479867

約数列:

[1, 7, 19, 47, 73, 133, 151, 329, 511, 893, 1057, 1387, 2869, 3431, 6251, 7097, 9709, 11023, 20083, 24017, 49679, 65189, 77161, 134843, 209437, 456323, 518081, 943901, 1466059, 3626567, 9843539, 68904773]

約数ペア:

[(1, 68904773), (7, 9843539), (19, 3626567), (47, 1466059), (73, 943901), (133, 518081), (151, 456323), (329, 209437), (511, 134843), (893, 77161), (1057, 65189), (1387, 49679), (2869, 24017), (3431, 20083), (6251, 11023), (7097, 9709)]