28006978391

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{344231}}^1$

素因数の和:344494

約数の個数: 16

約数和(自身を含む): 32715809280

約数和(自身を除く): 4708830889

約数列:

[1, 7, 59, 197, 413, 1379, 11623, 81361, 344231, 2409617, 20309629, 67813507, 142167403, 474694549, 4000996913, 28006978391]

約数ペア:

[(1, 28006978391), (7, 4000996913), (59, 474694549), (197, 142167403), (413, 67813507), (1379, 20309629), (11623, 2409617), (81361, 344231)]