211992508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18787}}^1$

素因数の和:18842

約数の個数: 48

約数和(自身を含む): 471353344

約数和(自身を除く): 259360836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 18787, 37574, 75148, 131509, 244231, 263018, 488462, 526036, 582397, 976924, 1164794, 1709617, 2329588, 3419234, 4076779, 6838468, 7571161, 8153558, 15142322, 16307116, 30284644, 52998127, 105996254, 211992508]

約数ペア:

[(1, 211992508), (2, 105996254), (4, 52998127), (7, 30284644), (13, 16307116), (14, 15142322), (26, 8153558), (28, 7571161), (31, 6838468), (52, 4076779), (62, 3419234), (91, 2329588), (124, 1709617), (182, 1164794), (217, 976924), (364, 582397), (403, 526036), (434, 488462), (806, 263018), (868, 244231), (1612, 131509), (2821, 75148), (5642, 37574), (11284, 18787)]