66808168

素因数分解:

$2^3\times 7^3\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 148176000

約数和(自身を除く): 81367832

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 251, 343, 388, 392, 502, 679, 686, 776, 1004, 1358, 1372, 1757, 2008, 2716, 2744, 3514, 4753, 5432, 7028, 9506, 12299, 14056, 19012, 24347, 24598, 33271, 38024, 48694, 49196, 66542, 86093, 97388, 98392, 133084, 170429, 172186, 194776, 266168, 340858, 344372, 681716, 688744, 1193003, 1363432, 2386006, 4772012, 8351021, 9544024, 16702042, 33404084, 66808168]

約数ペア:

[(1, 66808168), (2, 33404084), (4, 16702042), (7, 9544024), (8, 8351021), (14, 4772012), (28, 2386006), (49, 1363432), (56, 1193003), (97, 688744), (98, 681716), (194, 344372), (196, 340858), (251, 266168), (343, 194776), (388, 172186), (392, 170429), (502, 133084), (679, 98392), (686, 97388), (776, 86093), (1004, 66542), (1358, 49196), (1372, 48694), (1757, 38024), (2008, 33271), (2716, 24598), (2744, 24347), (3514, 19012), (4753, 14056), (5432, 12299), (7028, 9506)]