391628797

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{78467}}^1$

素因数の和:78528

約数の個数: 16

約数和(自身を含む): 482107392

約数和(自身を除く): 90478595

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 78467, 549269, 1804741, 2432477, 12633187, 17027339, 55946971, 391628797]

約数ペア:

[(1, 391628797), (7, 55946971), (23, 17027339), (31, 12633187), (161, 2432477), (217, 1804741), (713, 549269), (4991, 78467)]