408979249

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{14387}}^1$

素因数の和:14556

約数の個数: 16

約数和(自身を含む): 486199296

約数和(自身を除く): 77220047

約数列:

[1, 7, 31, 131, 217, 917, 4061, 14387, 28427, 100709, 445997, 1884697, 3121979, 13192879, 58425607, 408979249]

約数ペア:

[(1, 408979249), (7, 58425607), (31, 13192879), (131, 3121979), (217, 1884697), (917, 445997), (4061, 100709), (14387, 28427)]