127581256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23767}}^1$

素因数の和:23845

約数の個数: 32

約数和(自身を含む): 265250880

約数和(自身を除く): 137669624

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 23767, 47534, 95068, 190136, 261437, 522874, 1045748, 1449787, 2091496, 2899574, 5799148, 11598296, 15947657, 31895314, 63790628, 127581256]

約数ペア:

[(1, 127581256), (2, 63790628), (4, 31895314), (8, 15947657), (11, 11598296), (22, 5799148), (44, 2899574), (61, 2091496), (88, 1449787), (122, 1045748), (244, 522874), (488, 261437), (671, 190136), (1342, 95068), (2684, 47534), (5368, 23767)]