15694186921

素因数分解:

$7^4\times {\mathrm{1597}}^1\times {\mathrm{4093}}^1$

素因数の和:5718

約数の個数: 20

約数和(自身を含む): 18324735812

約数和(自身を除く): 2630548891

約数列:

[1, 7, 49, 343, 1597, 2401, 4093, 11179, 28651, 78253, 200557, 547771, 1403899, 3834397, 6536521, 9827293, 45755647, 320289529, 2242026703, 15694186921]

約数ペア:

[(1, 15694186921), (7, 2242026703), (49, 320289529), (343, 45755647), (1597, 9827293), (2401, 6536521), (4093, 3834397), (11179, 1403899), (28651, 547771), (78253, 200557)]