387631489

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{18379}}^1$

素因数の和:18540

約数の個数: 16

約数和(自身を含む): 465822720

約数和(自身を除く): 78191231

約数列:

[1, 7, 23, 131, 161, 917, 3013, 18379, 21091, 128653, 422717, 2407649, 2959019, 16853543, 55375927, 387631489]

約数ペア:

[(1, 387631489), (7, 55375927), (23, 16853543), (131, 2959019), (161, 2407649), (917, 422717), (3013, 128653), (18379, 21091)]