209957328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{208291}}^1$

素因数の和:208312

約数の個数: 60

約数和(自身を含む): 671533408

約数和(自身を除く): 461576080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 208291, 416582, 624873, 833164, 1249746, 1458037, 1666328, 1874619, 2499492, 2916074, 3332656, 3749238, 4374111, 4998984, 5832148, 7498476, 8748222, 9997968, 11664296, 13122333, 14996952, 17496444, 23328592, 26244666, 29993904, 34992888, 52489332, 69985776, 104978664, 209957328]

約数ペア:

[(1, 209957328), (2, 104978664), (3, 69985776), (4, 52489332), (6, 34992888), (7, 29993904), (8, 26244666), (9, 23328592), (12, 17496444), (14, 14996952), (16, 13122333), (18, 11664296), (21, 9997968), (24, 8748222), (28, 7498476), (36, 5832148), (42, 4998984), (48, 4374111), (56, 3749238), (63, 3332656), (72, 2916074), (84, 2499492), (112, 1874619), (126, 1666328), (144, 1458037), (168, 1249746), (252, 833164), (336, 624873), (504, 416582), (1008, 208291)]