290428534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{31357}}^1$

素因数の和:31791

約数の個数: 16

約数和(自身を含む): 476390736

約数和(自身を除く): 185962202

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 31357, 62714, 344927, 689854, 13201297, 26402594, 145214267, 290428534]

約数ペア:

[(1, 290428534), (2, 145214267), (11, 26402594), (22, 13201297), (421, 689854), (842, 344927), (4631, 62714), (9262, 31357)]