31223718

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{1987}}^1$

素因数の和:2098

約数の個数: 40

約数和(自身を含む): 70721112

約数和(自身を除く): 39497394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1746, 1987, 2619, 3974, 5238, 5961, 7857, 11922, 15714, 17883, 35766, 53649, 107298, 160947, 192739, 321894, 385478, 578217, 1156434, 1734651, 3469302, 5203953, 10407906, 15611859, 31223718]

約数ペア:

[(1, 31223718), (2, 15611859), (3, 10407906), (6, 5203953), (9, 3469302), (18, 1734651), (27, 1156434), (54, 578217), (81, 385478), (97, 321894), (162, 192739), (194, 160947), (291, 107298), (582, 53649), (873, 35766), (1746, 17883), (1987, 15714), (2619, 11922), (3974, 7857), (5238, 5961)]