256339621

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 273873600

約数和(自身を除く): 17533979

約数列:

[1, 19, 131, 181, 569, 2489, 3439, 10811, 23711, 74539, 102989, 450509, 1416241, 1956791, 13491559, 256339621]

約数ペア:

[(1, 256339621), (19, 13491559), (131, 1956791), (181, 1416241), (569, 450509), (2489, 102989), (3439, 74539), (10811, 23711)]