85791356

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 182327040

約数和(自身を除く): 96535684

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 67, 94, 98, 134, 139, 188, 196, 268, 278, 329, 469, 556, 658, 938, 973, 1316, 1876, 1946, 2303, 3149, 3283, 3892, 4606, 6298, 6533, 6566, 6811, 9212, 9313, 12596, 13066, 13132, 13622, 18626, 22043, 26132, 27244, 37252, 44086, 45731, 65191, 88172, 91462, 130382, 154301, 182924, 260764, 308602, 320117, 437711, 456337, 617204, 640234, 875422, 912674, 1280468, 1750844, 1825348, 3063977, 6127954, 12255908, 21447839, 42895678, 85791356]

約数ペア:

[(1, 85791356), (2, 42895678), (4, 21447839), (7, 12255908), (14, 6127954), (28, 3063977), (47, 1825348), (49, 1750844), (67, 1280468), (94, 912674), (98, 875422), (134, 640234), (139, 617204), (188, 456337), (196, 437711), (268, 320117), (278, 308602), (329, 260764), (469, 182924), (556, 154301), (658, 130382), (938, 91462), (973, 88172), (1316, 65191), (1876, 45731), (1946, 44086), (2303, 37252), (3149, 27244), (3283, 26132), (3892, 22043), (4606, 18626), (6298, 13622), (6533, 13132), (6566, 13066), (6811, 12596), (9212, 9313)]