1231564319

素因数分解:

${\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 1275070176

約数和(自身を除く): 43505857

約数列:

[1, 61, 67, 541, 557, 4087, 33001, 33977, 36247, 37319, 301337, 2211067, 2276459, 18381557, 20189579, 1231564319]

約数ペア:

[(1, 1231564319), (61, 20189579), (67, 18381557), (541, 2276459), (557, 2211067), (4087, 301337), (33001, 37319), (33977, 36247)]