648900056

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{863}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 1443225600

約数和(自身を除く): 794325544

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 463, 812, 863, 926, 1624, 1726, 1852, 3241, 3452, 3704, 6041, 6482, 6904, 12082, 12964, 13427, 24164, 25027, 25928, 26854, 48328, 50054, 53708, 93989, 100108, 107416, 175189, 187978, 200216, 350378, 375956, 399569, 700756, 751912, 799138, 1401512, 1598276, 2796983, 3196552, 5593966, 11187932, 11587501, 22375864, 23175002, 46350004, 81112507, 92700008, 162225014, 324450028, 648900056]

約数ペア:

[(1, 648900056), (2, 324450028), (4, 162225014), (7, 92700008), (8, 81112507), (14, 46350004), (28, 23175002), (29, 22375864), (56, 11587501), (58, 11187932), (116, 5593966), (203, 3196552), (232, 2796983), (406, 1598276), (463, 1401512), (812, 799138), (863, 751912), (926, 700756), (1624, 399569), (1726, 375956), (1852, 350378), (3241, 200216), (3452, 187978), (3704, 175189), (6041, 107416), (6482, 100108), (6904, 93989), (12082, 53708), (12964, 50054), (13427, 48328), (24164, 26854), (25027, 25928)]