8180478

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 18566496

約数和(自身を除く): 10386018

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 173, 213, 222, 333, 346, 426, 519, 639, 666, 1038, 1278, 1557, 2627, 3114, 5254, 6401, 7881, 12283, 12802, 15762, 19203, 23643, 24566, 36849, 38406, 47286, 57609, 73698, 110547, 115218, 221094, 454471, 908942, 1363413, 2726826, 4090239, 8180478]

約数ペア:

[(1, 8180478), (2, 4090239), (3, 2726826), (6, 1363413), (9, 908942), (18, 454471), (37, 221094), (71, 115218), (74, 110547), (111, 73698), (142, 57609), (173, 47286), (213, 38406), (222, 36849), (333, 24566), (346, 23643), (426, 19203), (519, 15762), (639, 12802), (666, 12283), (1038, 7881), (1278, 6401), (1557, 5254), (2627, 3114)]