161567318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{1187}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 277136640

約数和(自身を除く): 115569322

約数列:

[1, 2, 11, 22, 23, 46, 253, 269, 506, 538, 1187, 2374, 2959, 5918, 6187, 12374, 13057, 26114, 27301, 54602, 68057, 136114, 300311, 319303, 600622, 638606, 3512333, 7024666, 7343969, 14687938, 80783659, 161567318]

約数ペア:

[(1, 161567318), (2, 80783659), (11, 14687938), (22, 7343969), (23, 7024666), (46, 3512333), (253, 638606), (269, 600622), (506, 319303), (538, 300311), (1187, 136114), (2374, 68057), (2959, 54602), (5918, 27301), (6187, 26114), (12374, 13057)]