81331698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 192614400

約数和(自身を除く): 111282702

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 199, 222, 259, 263, 398, 518, 526, 597, 777, 789, 1194, 1393, 1554, 1578, 1841, 2786, 3682, 4179, 5523, 7363, 8358, 9731, 11046, 14726, 19462, 22089, 29193, 44178, 51541, 52337, 58386, 68117, 103082, 104674, 136234, 154623, 157011, 204351, 309246, 314022, 366359, 408702, 732718, 1099077, 1936469, 2198154, 3872938, 5809407, 11618814, 13555283, 27110566, 40665849, 81331698]

約数ペア:

[(1, 81331698), (2, 40665849), (3, 27110566), (6, 13555283), (7, 11618814), (14, 5809407), (21, 3872938), (37, 2198154), (42, 1936469), (74, 1099077), (111, 732718), (199, 408702), (222, 366359), (259, 314022), (263, 309246), (398, 204351), (518, 157011), (526, 154623), (597, 136234), (777, 104674), (789, 103082), (1194, 68117), (1393, 58386), (1554, 52337), (1578, 51541), (1841, 44178), (2786, 29193), (3682, 22089), (4179, 19462), (5523, 14726), (7363, 11046), (8358, 9731)]