217648788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4159}}^1$

素因数の和:4269

約数の個数: 72

約数和(自身を含む): 597542400

約数和(自身を除く): 379893612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 534, 588, 623, 1068, 1246, 1869, 2492, 3738, 4159, 4361, 7476, 8318, 8722, 12477, 13083, 16636, 17444, 24954, 26166, 29113, 49908, 52332, 58226, 87339, 116452, 174678, 203791, 349356, 370151, 407582, 611373, 740302, 815164, 1110453, 1222746, 1480604, 2220906, 2445492, 2591057, 4441812, 5182114, 7773171, 10364228, 15546342, 18137399, 31092684, 36274798, 54412197, 72549596, 108824394, 217648788]

約数ペア:

[(1, 217648788), (2, 108824394), (3, 72549596), (4, 54412197), (6, 36274798), (7, 31092684), (12, 18137399), (14, 15546342), (21, 10364228), (28, 7773171), (42, 5182114), (49, 4441812), (84, 2591057), (89, 2445492), (98, 2220906), (147, 1480604), (178, 1222746), (196, 1110453), (267, 815164), (294, 740302), (356, 611373), (534, 407582), (588, 370151), (623, 349356), (1068, 203791), (1246, 174678), (1869, 116452), (2492, 87339), (3738, 58226), (4159, 52332), (4361, 49908), (7476, 29113), (8318, 26166), (8722, 24954), (12477, 17444), (13083, 16636)]