2581695376

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 5889027840

約数和(自身を除く): 3307332464

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 169, 208, 247, 248, 304, 338, 403, 494, 496, 589, 676, 806, 988, 1178, 1352, 1612, 1621, 1976, 2356, 2704, 3211, 3224, 3242, 3952, 4712, 5239, 6422, 6448, 6484, 7657, 9424, 10478, 12844, 12968, 15314, 20956, 21073, 25688, 25936, 30628, 30799, 41912, 42146, 50251, 51376, 61256, 61598, 83824, 84292, 99541, 100502, 122512, 123196, 168584, 199082, 201004, 246392, 273949, 337168, 398164, 400387, 402008, 492784, 547898, 653263, 796328, 800774, 804016, 954769, 1095796, 1306526, 1592656, 1601548, 1909538, 2191592, 2613052, 3203096, 3819076, 4383184, 5205031, 5226104, 6406192, 7638152, 8492419, 10410062, 10452208, 12411997, 15276304, 16984838, 20820124, 24823994, 33969676, 41640248, 49647988, 67939352, 83280496, 99295976, 135878704, 161355961, 198591952, 322711922, 645423844, 1290847688, 2581695376]

約数ペア:

[(1, 2581695376), (2, 1290847688), (4, 645423844), (8, 322711922), (13, 198591952), (16, 161355961), (19, 135878704), (26, 99295976), (31, 83280496), (38, 67939352), (52, 49647988), (62, 41640248), (76, 33969676), (104, 24823994), (124, 20820124), (152, 16984838), (169, 15276304), (208, 12411997), (247, 10452208), (248, 10410062), (304, 8492419), (338, 7638152), (403, 6406192), (494, 5226104), (496, 5205031), (589, 4383184), (676, 3819076), (806, 3203096), (988, 2613052), (1178, 2191592), (1352, 1909538), (1612, 1601548), (1621, 1592656), (1976, 1306526), (2356, 1095796), (2704, 954769), (3211, 804016), (3224, 800774), (3242, 796328), (3952, 653263), (4712, 547898), (5239, 492784), (6422, 402008), (6448, 400387), (6484, 398164), (7657, 337168), (9424, 273949), (10478, 246392), (12844, 201004), (12968, 199082), (15314, 168584), (20956, 123196), (21073, 122512), (25688, 100502), (25936, 99541), (30628, 84292), (30799, 83824), (41912, 61598), (42146, 61256), (50251, 51376)]