156772021

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{168391}}^1$

素因数の和:168424

約数の個数: 12

約数和(自身を含む): 191966880

約数和(自身を除く): 35194859

約数列:

[1, 7, 19, 49, 133, 931, 168391, 1178737, 3199429, 8251159, 22396003, 156772021]

約数ペア:

[(1, 156772021), (7, 22396003), (19, 8251159), (49, 3199429), (133, 1178737), (931, 168391)]