28509670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 60501168

約数和(自身を除く): 31991498

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 490, 581, 701, 830, 1162, 1402, 2905, 3505, 4067, 4907, 5810, 7010, 8134, 9814, 20335, 24535, 34349, 40670, 49070, 58183, 68698, 116366, 171745, 290915, 343490, 407281, 581830, 814562, 2036405, 2850967, 4072810, 5701934, 14254835, 28509670]

約数ペア:

[(1, 28509670), (2, 14254835), (5, 5701934), (7, 4072810), (10, 2850967), (14, 2036405), (35, 814562), (49, 581830), (70, 407281), (83, 343490), (98, 290915), (166, 171745), (245, 116366), (415, 68698), (490, 58183), (581, 49070), (701, 40670), (830, 34349), (1162, 24535), (1402, 20335), (2905, 9814), (3505, 8134), (4067, 7010), (4907, 5810)]