131567191

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2543}}^1$

素因数の和:2958

約数の個数: 16

約数和(自身を含む): 158745600

約数和(自身を除く): 27178409

約数列:

[1, 7, 19, 133, 389, 2543, 2723, 7391, 17801, 48317, 51737, 338219, 989227, 6924589, 18795313, 131567191]

約数ペア:

[(1, 131567191), (7, 18795313), (19, 6924589), (133, 989227), (389, 338219), (2543, 51737), (2723, 48317), (7391, 17801)]