81685128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{486221}}^1$

素因数の和:486237

約数の個数: 32

約数和(自身を含む): 233386560

約数和(自身を除く): 151701432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 486221, 972442, 1458663, 1944884, 2917326, 3403547, 3889768, 5834652, 6807094, 10210641, 11669304, 13614188, 20421282, 27228376, 40842564, 81685128]

約数ペア:

[(1, 81685128), (2, 40842564), (3, 27228376), (4, 20421282), (6, 13614188), (7, 11669304), (8, 10210641), (12, 6807094), (14, 5834652), (21, 3889768), (24, 3403547), (28, 2917326), (42, 1944884), (56, 1458663), (84, 972442), (168, 486221)]