213395138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{31189}}^1$

素因数の和:31513

約数の個数: 16

約数和(自身を含む): 350326080

約数和(自身を除く): 136930942

約数列:

[1, 2, 11, 22, 311, 622, 3421, 6842, 31189, 62378, 343079, 686158, 9699779, 19399558, 106697569, 213395138]

約数ペア:

[(1, 213395138), (2, 106697569), (11, 19399558), (22, 9699779), (311, 686158), (622, 343079), (3421, 62378), (6842, 31189)]