128375387

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{911}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 150764544

約数和(自身を除く): 22389157

約数列:

[1, 7, 41, 287, 491, 911, 3437, 6377, 20131, 37351, 140917, 261457, 447301, 3131107, 18339341, 128375387]

約数ペア:

[(1, 128375387), (7, 18339341), (41, 3131107), (287, 447301), (491, 261457), (911, 140917), (3437, 37351), (6377, 20131)]