8381005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 10483200

約数和(自身を除く): 2102195

約数列:

[1, 5, 31, 139, 155, 389, 695, 1945, 4309, 12059, 21545, 54071, 60295, 270355, 1676201, 8381005]

約数ペア:

[(1, 8381005), (5, 1676201), (31, 270355), (139, 60295), (155, 54071), (389, 21545), (695, 12059), (1945, 4309)]