488742457

素因数分解:

$7^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1\times {\mathrm{1031}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 563422464

約数和(自身を除く): 74680007

約数列:

[1, 7, 241, 281, 1031, 1687, 1967, 7217, 67721, 248471, 289711, 474047, 1739297, 2027977, 69820351, 488742457]

約数ペア:

[(1, 488742457), (7, 69820351), (241, 2027977), (281, 1739297), (1031, 474047), (1687, 289711), (1967, 248471), (7217, 67721)]