205514518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{22189}}^1$

素因数の和:22623

約数の個数: 16

約数和(自身を含む): 337110480

約数和(自身を除く): 131595962

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 22189, 44378, 244079, 488158, 9341569, 18683138, 102757259, 205514518]

約数ペア:

[(1, 205514518), (2, 102757259), (11, 18683138), (22, 9341569), (421, 488158), (842, 244079), (4631, 44378), (9262, 22189)]