217770854

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{11087}}^1$

素因数の和:11180

約数の個数: 32

約数和(自身を含む): 395974656

約数和(自身を除く): 178203802

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 2806, 9821, 11087, 19642, 22174, 77609, 155218, 255001, 510002, 676307, 1352614, 1785007, 3570014, 4734149, 9468298, 15555061, 31110122, 108885427, 217770854]

約数ペア:

[(1, 217770854), (2, 108885427), (7, 31110122), (14, 15555061), (23, 9468298), (46, 4734149), (61, 3570014), (122, 1785007), (161, 1352614), (322, 676307), (427, 510002), (854, 255001), (1403, 155218), (2806, 77609), (9821, 22174), (11087, 19642)]