26571391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 9260417

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 371, 383, 583, 901, 1309, 2681, 4081, 4213, 6307, 6511, 9911, 20299, 29491, 45577, 69377, 71621, 142093, 223289, 345083, 501347, 1563023, 2415581, 3795913, 26571391]

約数ペア:

[(1, 26571391), (7, 3795913), (11, 2415581), (17, 1563023), (53, 501347), (77, 345083), (119, 223289), (187, 142093), (371, 71621), (383, 69377), (583, 45577), (901, 29491), (1309, 20299), (2681, 9911), (4081, 6511), (4213, 6307)]