28685569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 32074560

約数和(自身を除く): 3388991

約数列:

[1, 11, 73, 139, 257, 803, 1529, 2827, 10147, 18761, 35723, 111617, 206371, 392953, 2607779, 28685569]

約数ペア:

[(1, 28685569), (11, 2607779), (73, 392953), (139, 206371), (257, 111617), (803, 35723), (1529, 18761), (2827, 10147)]