261979045

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1\times {\mathrm{1103}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 319806720

約数和(自身を除く): 57827675

約数列:

[1, 5, 67, 335, 709, 1103, 3545, 5515, 47503, 73901, 237515, 369505, 782027, 3910135, 52395809, 261979045]

約数ペア:

[(1, 261979045), (5, 52395809), (67, 3910135), (335, 782027), (709, 369505), (1103, 237515), (3545, 73901), (5515, 47503)]