81518206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 153280512

約数和(自身を除く): 71762306

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 1379, 2167, 2687, 2758, 4334, 5374, 15169, 18809, 29557, 30338, 37618, 59114, 206899, 413798, 529339, 1058678, 3705373, 5822729, 7410746, 11645458, 40759103, 81518206]

約数ペア:

[(1, 81518206), (2, 40759103), (7, 11645458), (11, 7410746), (14, 5822729), (22, 3705373), (77, 1058678), (154, 529339), (197, 413798), (394, 206899), (1379, 59114), (2167, 37618), (2687, 30338), (2758, 29557), (4334, 18809), (5374, 15169)]