81712106

素因数分解:

$2^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{3739}}^1$

素因数の和:3978

約数の個数: 24

約数和(自身を含む): 143256960

約数和(自身を除く): 61544854

約数列:

[1, 2, 7, 14, 49, 98, 223, 446, 1561, 3122, 3739, 7478, 10927, 21854, 26173, 52346, 183211, 366422, 833797, 1667594, 5836579, 11673158, 40856053, 81712106]

約数ペア:

[(1, 81712106), (2, 40856053), (7, 11673158), (14, 5836579), (49, 1667594), (98, 833797), (223, 366422), (446, 183211), (1561, 52346), (3122, 26173), (3739, 21854), (7478, 10927)]