27880468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 61383168

約数和(自身を除く): 33502700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 524, 691, 917, 1382, 1441, 1834, 2764, 2882, 3668, 4837, 5764, 7601, 9674, 10087, 15202, 19348, 20174, 30404, 40348, 53207, 90521, 106414, 181042, 212828, 362084, 633647, 995731, 1267294, 1991462, 2534588, 3982924, 6970117, 13940234, 27880468]

約数ペア:

[(1, 27880468), (2, 13940234), (4, 6970117), (7, 3982924), (11, 2534588), (14, 1991462), (22, 1267294), (28, 995731), (44, 633647), (77, 362084), (131, 212828), (154, 181042), (262, 106414), (308, 90521), (524, 53207), (691, 40348), (917, 30404), (1382, 20174), (1441, 19348), (1834, 15202), (2764, 10087), (2882, 9674), (3668, 7601), (4837, 5764)]