81849894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 191520000

約数和(自身を除く): 109670106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 199, 294, 398, 597, 1194, 1393, 1399, 2786, 2798, 4179, 4197, 8358, 8394, 9751, 9793, 19502, 19586, 29253, 29379, 58506, 58758, 68551, 137102, 205653, 278401, 411306, 556802, 835203, 1670406, 1948807, 3897614, 5846421, 11692842, 13641649, 27283298, 40924947, 81849894]

約数ペア:

[(1, 81849894), (2, 40924947), (3, 27283298), (6, 13641649), (7, 11692842), (14, 5846421), (21, 3897614), (42, 1948807), (49, 1670406), (98, 835203), (147, 556802), (199, 411306), (294, 278401), (398, 205653), (597, 137102), (1194, 68551), (1393, 58758), (1399, 58506), (2786, 29379), (2798, 29253), (4179, 19586), (4197, 19502), (8358, 9793), (8394, 9751)]