12681487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 16708608

約数和(自身を除く): 4027121

約数列:

[1, 7, 13, 23, 73, 83, 91, 161, 299, 511, 581, 949, 1079, 1679, 1909, 2093, 6059, 6643, 7553, 11753, 13363, 21827, 24817, 42413, 78767, 139357, 152789, 173719, 551369, 975499, 1811641, 12681487]

約数ペア:

[(1, 12681487), (7, 1811641), (13, 975499), (23, 551369), (73, 173719), (83, 152789), (91, 139357), (161, 78767), (299, 42413), (511, 24817), (581, 21827), (949, 13363), (1079, 11753), (1679, 7553), (1909, 6643), (2093, 6059)]