81567076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 157248000

約数和(自身を除く): 75680924

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 89, 124, 178, 356, 389, 589, 778, 1178, 1556, 1691, 2356, 2759, 3382, 5518, 6764, 7391, 11036, 12059, 14782, 24118, 29564, 34621, 48236, 52421, 69242, 104842, 138484, 209684, 229121, 458242, 657799, 916484, 1073251, 1315598, 2146502, 2631196, 4293004, 20391769, 40783538, 81567076]

約数ペア:

[(1, 81567076), (2, 40783538), (4, 20391769), (19, 4293004), (31, 2631196), (38, 2146502), (62, 1315598), (76, 1073251), (89, 916484), (124, 657799), (178, 458242), (356, 229121), (389, 209684), (589, 138484), (778, 104842), (1178, 69242), (1556, 52421), (1691, 48236), (2356, 34621), (2759, 29564), (3382, 24118), (5518, 14782), (6764, 12059), (7391, 11036)]