281372392

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{116849}}^1$

素因数の和:116905

約数の個数: 32

約数和(自身を含む): 616968000

約数和(自身を除く): 335595608

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 116849, 233698, 467396, 817943, 934792, 1635886, 3271772, 5024507, 6543544, 10049014, 20098028, 35171549, 40196056, 70343098, 140686196, 281372392]

約数ペア:

[(1, 281372392), (2, 140686196), (4, 70343098), (7, 40196056), (8, 35171549), (14, 20098028), (28, 10049014), (43, 6543544), (56, 5024507), (86, 3271772), (172, 1635886), (301, 934792), (344, 817943), (602, 467396), (1204, 233698), (2408, 116849)]