1321291445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{13649}}^1$

素因数の和:14692

約数の個数: 16

約数和(自身を含む): 1670760000

約数和(自身を除く): 349468555

約数列:

[1, 5, 19, 95, 1019, 5095, 13649, 19361, 68245, 96805, 259331, 1296655, 13908331, 69541655, 264258289, 1321291445]

約数ペア:

[(1, 1321291445), (5, 264258289), (19, 69541655), (95, 13908331), (1019, 1296655), (5095, 259331), (13649, 96805), (19361, 68245)]