12979945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12456

約数の個数: 16

約数和(自身を含む): 17887680

約数和(自身を除く): 4907735

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12421, 62105, 136631, 235999, 683155, 1179995, 2595989, 12979945]

約数ペア:

[(1, 12979945), (5, 2595989), (11, 1179995), (19, 683155), (55, 235999), (95, 136631), (209, 62105), (1045, 12421)]