12890718

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 17591202

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 97, 107, 138, 194, 207, 214, 291, 321, 414, 582, 621, 642, 873, 963, 1242, 1746, 1926, 2231, 2461, 2619, 2889, 4462, 4922, 5238, 5778, 6693, 7383, 10379, 13386, 14766, 20079, 20758, 22149, 31137, 40158, 44298, 60237, 62274, 66447, 93411, 120474, 132894, 186822, 238717, 280233, 477434, 560466, 716151, 1432302, 2148453, 4296906, 6445359, 12890718]

約数ペア:

[(1, 12890718), (2, 6445359), (3, 4296906), (6, 2148453), (9, 1432302), (18, 716151), (23, 560466), (27, 477434), (46, 280233), (54, 238717), (69, 186822), (97, 132894), (107, 120474), (138, 93411), (194, 66447), (207, 62274), (214, 60237), (291, 44298), (321, 40158), (414, 31137), (582, 22149), (621, 20758), (642, 20079), (873, 14766), (963, 13386), (1242, 10379), (1746, 7383), (1926, 6693), (2231, 5778), (2461, 5238), (2619, 4922), (2889, 4462)]