81734142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 193019904

約数和(自身を除く): 111285762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 167, 258, 271, 301, 334, 501, 542, 602, 813, 903, 1002, 1169, 1626, 1806, 1897, 2338, 3507, 3794, 5691, 7014, 7181, 11382, 11653, 14362, 21543, 23306, 34959, 43086, 45257, 50267, 69918, 81571, 90514, 100534, 135771, 150801, 163142, 244713, 271542, 301602, 316799, 489426, 633598, 950397, 1900794, 1946051, 3892102, 5838153, 11676306, 13622357, 27244714, 40867071, 81734142]

約数ペア:

[(1, 81734142), (2, 40867071), (3, 27244714), (6, 13622357), (7, 11676306), (14, 5838153), (21, 3892102), (42, 1946051), (43, 1900794), (86, 950397), (129, 633598), (167, 489426), (258, 316799), (271, 301602), (301, 271542), (334, 244713), (501, 163142), (542, 150801), (602, 135771), (813, 100534), (903, 90514), (1002, 81571), (1169, 69918), (1626, 50267), (1806, 45257), (1897, 43086), (2338, 34959), (3507, 23306), (3794, 21543), (5691, 14362), (7014, 11653), (7181, 11382)]