28257012

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4153}}^1$

素因数の和:4179

約数の個数: 72

約数和(自身を含む): 84675136

約数和(自身を除く): 56418124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4153, 6804, 8306, 12459, 16612, 24918, 29071, 37377, 49836, 58142, 74754, 87213, 112131, 116284, 149508, 174426, 224262, 261639, 336393, 348852, 448524, 523278, 672786, 784917, 1009179, 1046556, 1345572, 1569834, 2018358, 2354751, 3139668, 4036716, 4709502, 7064253, 9419004, 14128506, 28257012]

約数ペア:

[(1, 28257012), (2, 14128506), (3, 9419004), (4, 7064253), (6, 4709502), (7, 4036716), (9, 3139668), (12, 2354751), (14, 2018358), (18, 1569834), (21, 1345572), (27, 1046556), (28, 1009179), (36, 784917), (42, 672786), (54, 523278), (63, 448524), (81, 348852), (84, 336393), (108, 261639), (126, 224262), (162, 174426), (189, 149508), (243, 116284), (252, 112131), (324, 87213), (378, 74754), (486, 58142), (567, 49836), (756, 37377), (972, 29071), (1134, 24918), (1701, 16612), (2268, 12459), (3402, 8306), (4153, 6804)]