664767594242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{71387}}^1$

素因数の和:71631

約数の個数: 64

約数和(自身を含む): 1108170201600

約数和(自身を除く): 443402607358

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 139, 278, 779, 817, 1558, 1634, 1763, 2641, 3526, 5282, 5699, 5977, 11398, 11954, 33497, 66994, 71387, 108281, 113563, 142774, 216562, 227126, 245057, 490114, 1356353, 2712706, 2926867, 3069641, 4656083, 5853734, 6139282, 9312166, 9922793, 19845586, 55610473, 58323179, 111220946, 116646358, 125855281, 188533067, 251710562, 377066134, 406834513, 426680099, 813669026, 853360198, 2391250339, 4782500678, 7729855747, 8106921881, 15459711494, 16213843762, 17493884059, 34987768118, 332383797121, 664767594242]

約数ペア:

[(1, 664767594242), (2, 332383797121), (19, 34987768118), (38, 17493884059), (41, 16213843762), (43, 15459711494), (82, 8106921881), (86, 7729855747), (139, 4782500678), (278, 2391250339), (779, 853360198), (817, 813669026), (1558, 426680099), (1634, 406834513), (1763, 377066134), (2641, 251710562), (3526, 188533067), (5282, 125855281), (5699, 116646358), (5977, 111220946), (11398, 58323179), (11954, 55610473), (33497, 19845586), (66994, 9922793), (71387, 9312166), (108281, 6139282), (113563, 5853734), (142774, 4656083), (216562, 3069641), (227126, 2926867), (245057, 2712706), (490114, 1356353)]