28161756

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4165

約数の個数: 72

約数和(自身を含む): 84389760

約数和(自身を除く): 56228004

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, 4139, 6804, 8278, 12417, 16556, 24834, 28973, 37251, 49668, 57946, 74502, 86919, 111753, 115892, 149004, 173838, 223506, 260757, 335259, 347676, 447012, 521514, 670518, 782271, 1005777, 1043028, 1341036, 1564542, 2011554, 2346813, 3129084, 4023108, 4693626, 7040439, 9387252, 14080878, 28161756]

約数ペア:

[(1, 28161756), (2, 14080878), (3, 9387252), (4, 7040439), (6, 4693626), (7, 4023108), (9, 3129084), (12, 2346813), (14, 2011554), (18, 1564542), (21, 1341036), (27, 1043028), (28, 1005777), (36, 782271), (42, 670518), (54, 521514), (63, 447012), (81, 347676), (84, 335259), (108, 260757), (126, 223506), (162, 173838), (189, 149004), (243, 115892), (252, 111753), (324, 86919), (378, 74502), (486, 57946), (567, 49668), (756, 37251), (972, 28973), (1134, 24834), (1701, 16556), (2268, 12417), (3402, 8278), (4139, 6804)]