331121208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 958003200

約数和(自身を除く): 626881992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 209, 228, 251, 263, 264, 418, 456, 502, 526, 627, 753, 789, 836, 1004, 1052, 1254, 1506, 1578, 1672, 2008, 2104, 2508, 2761, 2893, 3012, 3156, 4769, 4997, 5016, 5522, 5786, 6024, 6312, 8283, 8679, 9538, 9994, 11044, 11572, 14307, 14991, 16566, 17358, 19076, 19988, 22088, 23144, 28614, 29982, 33132, 34716, 38152, 39976, 52459, 54967, 57228, 59964, 66013, 66264, 69432, 104918, 109934, 114456, 119928, 132026, 157377, 164901, 198039, 209836, 219868, 264052, 314754, 329802, 396078, 419672, 439736, 528104, 629508, 659604, 726143, 792156, 1254247, 1259016, 1319208, 1452286, 1584312, 2178429, 2508494, 2904572, 3762741, 4356858, 5016988, 5809144, 7525482, 8713716, 10033976, 13796717, 15050964, 17427432, 27593434, 30101928, 41390151, 55186868, 82780302, 110373736, 165560604, 331121208]

約数ペア:

[(1, 331121208), (2, 165560604), (3, 110373736), (4, 82780302), (6, 55186868), (8, 41390151), (11, 30101928), (12, 27593434), (19, 17427432), (22, 15050964), (24, 13796717), (33, 10033976), (38, 8713716), (44, 7525482), (57, 5809144), (66, 5016988), (76, 4356858), (88, 3762741), (114, 2904572), (132, 2508494), (152, 2178429), (209, 1584312), (228, 1452286), (251, 1319208), (263, 1259016), (264, 1254247), (418, 792156), (456, 726143), (502, 659604), (526, 629508), (627, 528104), (753, 439736), (789, 419672), (836, 396078), (1004, 329802), (1052, 314754), (1254, 264052), (1506, 219868), (1578, 209836), (1672, 198039), (2008, 164901), (2104, 157377), (2508, 132026), (2761, 119928), (2893, 114456), (3012, 109934), (3156, 104918), (4769, 69432), (4997, 66264), (5016, 66013), (5522, 59964), (5786, 57228), (6024, 54967), (6312, 52459), (8283, 39976), (8679, 38152), (9538, 34716), (9994, 33132), (11044, 29982), (11572, 28614), (14307, 23144), (14991, 22088), (16566, 19988), (17358, 19076)]