217272242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{318581}}^1$

素因数の和:318625

約数の個数: 16

約数和(自身を含む): 367006464

約数和(自身を除く): 149734222

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 318581, 637162, 3504391, 7008782, 9876011, 19752022, 108636121, 217272242]

約数ペア:

[(1, 217272242), (2, 108636121), (11, 19752022), (22, 9876011), (31, 7008782), (62, 3504391), (341, 637162), (682, 318581)]