90025558

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 156930048

約数和(自身を除く): 66904490

約数列:

[1, 2, 7, 14, 131, 191, 257, 262, 382, 514, 917, 1337, 1799, 1834, 2674, 3598, 25021, 33667, 49087, 50042, 67334, 98174, 175147, 235669, 343609, 350294, 471338, 687218, 6430397, 12860794, 45012779, 90025558]

約数ペア:

[(1, 90025558), (2, 45012779), (7, 12860794), (14, 6430397), (131, 687218), (191, 471338), (257, 350294), (262, 343609), (382, 235669), (514, 175147), (917, 98174), (1337, 67334), (1799, 50042), (1834, 49087), (2674, 33667), (3598, 25021)]