1320767555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{56431}}^1$

素因数の和:56618

約数の個数: 16

約数和(自身を含む): 1646911488

約数和(自身を除く): 326143933

約数列:

[1, 5, 31, 151, 155, 755, 4681, 23405, 56431, 282155, 1749361, 8521081, 8746805, 42605405, 264153511, 1320767555]

約数ペア:

[(1, 1320767555), (5, 264153511), (31, 42605405), (151, 8746805), (155, 8521081), (755, 1749361), (4681, 282155), (23405, 56431)]