254267188

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 522547200

約数和(自身を除く): 268280012

約数列:

[1, 2, 4, 7, 14, 28, 71, 79, 142, 158, 284, 316, 497, 553, 994, 1106, 1619, 1988, 2212, 3238, 5609, 6476, 11218, 11333, 22436, 22666, 39263, 45332, 78526, 114949, 127901, 157052, 229898, 255802, 459796, 511604, 804643, 895307, 1609286, 1790614, 3218572, 3581228, 9080971, 18161942, 36323884, 63566797, 127133594, 254267188]

約数ペア:

[(1, 254267188), (2, 127133594), (4, 63566797), (7, 36323884), (14, 18161942), (28, 9080971), (71, 3581228), (79, 3218572), (142, 1790614), (158, 1609286), (284, 895307), (316, 804643), (497, 511604), (553, 459796), (994, 255802), (1106, 229898), (1619, 157052), (1988, 127901), (2212, 114949), (3238, 78526), (5609, 45332), (6476, 39263), (11218, 22666), (11333, 22436)]