16405916

素因数分解:

$2^2\times {\mathrm{131}}^2\times {\mathrm{239}}^1$

素因数の和:505

約数の個数: 18

約数和(自身を含む): 29052240

約数和(自身を除く): 12646324

約数列:

[1, 2, 4, 131, 239, 262, 478, 524, 956, 17161, 31309, 34322, 62618, 68644, 125236, 4101479, 8202958, 16405916]

約数ペア:

[(1, 16405916), (2, 8202958), (4, 4101479), (131, 125236), (239, 68644), (262, 62618), (478, 34322), (524, 31309), (956, 17161)]