215330522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{21799}}^1$

素因数の和:22261

約数の個数: 16

約数和(自身を含む): 353160000

約数和(自身を除く): 137829478

約数列:

[1, 2, 11, 22, 449, 898, 4939, 9878, 21799, 43598, 239789, 479578, 9787751, 19575502, 107665261, 215330522]

約数ペア:

[(1, 215330522), (2, 107665261), (11, 19575502), (22, 9787751), (449, 479578), (898, 239789), (4939, 43598), (9878, 21799)]