256811522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{18211}}^1$

素因数の和:18865

約数の個数: 16

約数和(自身を含む): 420915744

約数和(自身を除く): 164104222

約数列:

[1, 2, 11, 22, 641, 1282, 7051, 14102, 18211, 36422, 200321, 400642, 11673251, 23346502, 128405761, 256811522]

約数ペア:

[(1, 256811522), (2, 128405761), (11, 23346502), (22, 11673251), (641, 400642), (1282, 200321), (7051, 36422), (14102, 18211)]