280007368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{2693}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 539715960

約数和(自身を除く): 259708592

約数列:

[1, 2, 4, 8, 41, 82, 164, 317, 328, 634, 1268, 2536, 2693, 5386, 10772, 12997, 21544, 25994, 51988, 103976, 110413, 220826, 441652, 853681, 883304, 1707362, 3414724, 6829448, 35000921, 70001842, 140003684, 280007368]

約数ペア:

[(1, 280007368), (2, 140003684), (4, 70001842), (8, 35000921), (41, 6829448), (82, 3414724), (164, 1707362), (317, 883304), (328, 853681), (634, 441652), (1268, 220826), (2536, 110413), (2693, 103976), (5386, 51988), (10772, 25994), (12997, 21544)]