66621866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{12613}}^1$

素因数の和:12773

約数の個数: 16

約数和(自身を含む): 105957600

約数和(自身を除く): 39335734

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 12613, 25226, 239647, 479294, 1753207, 3506414, 33310933, 66621866]

約数ペア:

[(1, 66621866), (2, 33310933), (19, 3506414), (38, 1753207), (139, 479294), (278, 239647), (2641, 25226), (5282, 12613)]