68808218633

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20781703}}^1$

素因数の和:20781764

約数の個数: 16

約数和(自身を含む): 87781917696

約数和(自身を除く): 18973699063

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20781703, 145471921, 228598733, 893613229, 1600191131, 6255292603, 9829745519, 68808218633]

約数ペア:

[(1, 68808218633), (7, 9829745519), (11, 6255292603), (43, 1600191131), (77, 893613229), (301, 228598733), (473, 145471921), (3311, 20781703)]