10000991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 13698048

約数和(自身を除く): 3697057

約数列:

[1, 7, 11, 13, 77, 91, 97, 103, 143, 679, 721, 1001, 1067, 1133, 1261, 1339, 7469, 7931, 8827, 9373, 9991, 13871, 14729, 69937, 97097, 103103, 109901, 129883, 769307, 909181, 1428713, 10000991]

約数ペア:

[(1, 10000991), (7, 1428713), (11, 909181), (13, 769307), (77, 129883), (91, 109901), (97, 103103), (103, 97097), (143, 69937), (679, 14729), (721, 13871), (1001, 9991), (1067, 9373), (1133, 8827), (1261, 7931), (1339, 7469)]