338991388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2179}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 659232000

約数和(自身を除く): 320240612

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 178, 356, 437, 874, 1691, 1748, 2047, 2179, 3382, 4094, 4358, 6764, 8188, 8716, 38893, 41401, 50117, 77786, 82802, 100234, 155572, 165604, 193931, 200468, 387862, 775724, 952223, 1904446, 3684689, 3808892, 4460413, 7369378, 8920826, 14738756, 17841652, 84747847, 169495694, 338991388]

約数ペア:

[(1, 338991388), (2, 169495694), (4, 84747847), (19, 17841652), (23, 14738756), (38, 8920826), (46, 7369378), (76, 4460413), (89, 3808892), (92, 3684689), (178, 1904446), (356, 952223), (437, 775724), (874, 387862), (1691, 200468), (1748, 193931), (2047, 165604), (2179, 155572), (3382, 100234), (4094, 82802), (4358, 77786), (6764, 50117), (8188, 41401), (8716, 38893)]