266643442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{20887}}^1$

素因数の和:21393

約数の個数: 16

約数和(自身を含む): 431629632

約数和(自身を除く): 164986190

約数列:

[1, 2, 13, 26, 491, 982, 6383, 12766, 20887, 41774, 271531, 543062, 10255517, 20511034, 133321721, 266643442]

約数ペア:

[(1, 266643442), (2, 133321721), (13, 20511034), (26, 10255517), (491, 543062), (982, 271531), (6383, 41774), (12766, 20887)]