81620588

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36899}}^1$

素因数の和:36989

約数の個数: 24

約数和(自身を含む): 165312000

約数和(自身を除く): 83691412

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36899, 73798, 147596, 258293, 516586, 1033172, 2915021, 5830042, 11660084, 20405147, 40810294, 81620588]

約数ペア:

[(1, 81620588), (2, 40810294), (4, 20405147), (7, 11660084), (14, 5830042), (28, 2915021), (79, 1033172), (158, 516586), (316, 258293), (553, 147596), (1106, 73798), (2212, 36899)]