31578678

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 40755402

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 747, 919, 1494, 1838, 1909, 2757, 3818, 5514, 5727, 8271, 11454, 16542, 17181, 21137, 34362, 42274, 63411, 76277, 126822, 152554, 190233, 228831, 380466, 457662, 686493, 1372986, 1754371, 3508742, 5263113, 10526226, 15789339, 31578678]

約数ペア:

[(1, 31578678), (2, 15789339), (3, 10526226), (6, 5263113), (9, 3508742), (18, 1754371), (23, 1372986), (46, 686493), (69, 457662), (83, 380466), (138, 228831), (166, 190233), (207, 152554), (249, 126822), (414, 76277), (498, 63411), (747, 42274), (919, 34362), (1494, 21137), (1838, 17181), (1909, 16542), (2757, 11454), (3818, 8271), (5514, 5727)]