1990975488

素因数分解:

$2^{13}\times 3^1\times {\mathrm{81013}}^1$

素因数の和:81042

約数の個数: 56

約数和(自身を含む): 5309009448

約数和(自身を除く): 3318033960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 24576, 81013, 162026, 243039, 324052, 486078, 648104, 972156, 1296208, 1944312, 2592416, 3888624, 5184832, 7777248, 10369664, 15554496, 20739328, 31108992, 41478656, 62217984, 82957312, 124435968, 165914624, 248871936, 331829248, 497743872, 663658496, 995487744, 1990975488]

約数ペア:

[(1, 1990975488), (2, 995487744), (3, 663658496), (4, 497743872), (6, 331829248), (8, 248871936), (12, 165914624), (16, 124435968), (24, 82957312), (32, 62217984), (48, 41478656), (64, 31108992), (96, 20739328), (128, 15554496), (192, 10369664), (256, 7777248), (384, 5184832), (512, 3888624), (768, 2592416), (1024, 1944312), (1536, 1296208), (2048, 972156), (3072, 648104), (4096, 486078), (6144, 324052), (8192, 243039), (12288, 162026), (24576, 81013)]