30991429

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 36274176

約数和(自身を除く): 5282747

約数列:

[1, 7, 71, 127, 491, 497, 889, 3437, 9017, 34861, 62357, 63119, 244027, 436499, 4427347, 30991429]

約数ペア:

[(1, 30991429), (7, 4427347), (71, 436499), (127, 244027), (491, 63119), (497, 62357), (889, 34861), (3437, 9017)]