1239889345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{57389}}^1$

素因数の和:57572

約数の個数: 16

約数和(自身を含む): 1549530000

約数和(自身を除く): 309640655

約数列:

[1, 5, 29, 145, 149, 745, 4321, 21605, 57389, 286945, 1664281, 8321405, 8550961, 42754805, 247977869, 1239889345]

約数ペア:

[(1, 1239889345), (5, 247977869), (29, 42754805), (145, 8550961), (149, 8321405), (745, 1664281), (4321, 286945), (21605, 57389)]