31078253906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:712

約数の個数: 96

約数和(自身を含む): 57412323072

約数和(自身を除く): 26334069166

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 257, 266, 337, 361, 497, 514, 674, 722, 994, 1349, 1799, 2359, 2527, 2698, 3598, 4718, 4883, 5054, 6403, 9443, 9766, 12806, 18247, 18886, 23927, 25631, 34181, 36494, 44821, 47854, 51262, 68362, 86609, 89642, 92777, 121657, 127729, 167489, 173218, 179417, 185554, 243314, 255458, 334978, 346693, 358834, 454613, 606263, 649439, 693386, 851599, 909226, 1212526, 1298878, 1645571, 1703198, 2426851, 3182291, 3291142, 4853702, 6149239, 6364582, 6587167, 8637647, 11518997, 12298478, 13174334, 17275294, 23037994, 31265849, 43044673, 46110169, 60463529, 62531698, 86089346, 92220338, 116835541, 120927058, 218860943, 233671082, 437721886, 817848787, 1635697574, 2219875279, 4439750558, 15539126953, 31078253906]

約数ペア:

[(1, 31078253906), (2, 15539126953), (7, 4439750558), (14, 2219875279), (19, 1635697574), (38, 817848787), (71, 437721886), (133, 233671082), (142, 218860943), (257, 120927058), (266, 116835541), (337, 92220338), (361, 86089346), (497, 62531698), (514, 60463529), (674, 46110169), (722, 43044673), (994, 31265849), (1349, 23037994), (1799, 17275294), (2359, 13174334), (2527, 12298478), (2698, 11518997), (3598, 8637647), (4718, 6587167), (4883, 6364582), (5054, 6149239), (6403, 4853702), (9443, 3291142), (9766, 3182291), (12806, 2426851), (18247, 1703198), (18886, 1645571), (23927, 1298878), (25631, 1212526), (34181, 909226), (36494, 851599), (44821, 693386), (47854, 649439), (51262, 606263), (68362, 454613), (86609, 358834), (89642, 346693), (92777, 334978), (121657, 255458), (127729, 243314), (167489, 185554), (173218, 179417)]