212751018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1204

約数の個数: 72

約数和(自身を含む): 503720100

約数和(自身を除く): 290969082

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 361, 522, 551, 722, 1083, 1102, 1129, 1653, 2166, 2258, 3249, 3306, 3387, 4959, 6498, 6774, 9918, 10161, 10469, 20322, 20938, 21451, 31407, 32741, 42902, 62814, 64353, 65482, 94221, 98223, 128706, 188442, 193059, 196446, 294669, 386118, 407569, 589338, 622079, 815138, 1222707, 1244158, 1866237, 2445414, 3668121, 3732474, 5598711, 7336242, 11197422, 11819501, 23639002, 35458503, 70917006, 106375509, 212751018]

約数ペア:

[(1, 212751018), (2, 106375509), (3, 70917006), (6, 35458503), (9, 23639002), (18, 11819501), (19, 11197422), (29, 7336242), (38, 5598711), (57, 3732474), (58, 3668121), (87, 2445414), (114, 1866237), (171, 1244158), (174, 1222707), (261, 815138), (342, 622079), (361, 589338), (522, 407569), (551, 386118), (722, 294669), (1083, 196446), (1102, 193059), (1129, 188442), (1653, 128706), (2166, 98223), (2258, 94221), (3249, 65482), (3306, 64353), (3387, 62814), (4959, 42902), (6498, 32741), (6774, 31407), (9918, 21451), (10161, 20938), (10469, 20322)]