81986968

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39569}}^1$

素因数の和:39619

約数の個数: 32

約数和(自身を含む): 180439200

約数和(自身を除く): 98452232

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39569, 79138, 158276, 276983, 316552, 553966, 1107932, 1464053, 2215864, 2928106, 5856212, 10248371, 11712424, 20496742, 40993484, 81986968]

約数ペア:

[(1, 81986968), (2, 40993484), (4, 20496742), (7, 11712424), (8, 10248371), (14, 5856212), (28, 2928106), (37, 2215864), (56, 1464053), (74, 1107932), (148, 553966), (259, 316552), (296, 276983), (518, 158276), (1036, 79138), (2072, 39569)]