2563561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 3478464

約数和(自身を除く): 914903

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 197, 1001, 1183, 1379, 1859, 2167, 2561, 13013, 15169, 17927, 28171, 33293, 197197, 233051, 366223, 2563561]

約数ペア:

[(1, 2563561), (7, 366223), (11, 233051), (13, 197197), (77, 33293), (91, 28171), (143, 17927), (169, 15169), (197, 13013), (1001, 2561), (1183, 2167), (1379, 1859)]