78817739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 107412480

約数和(自身を除く): 28594741

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 497, 781, 923, 1001, 1109, 5467, 6461, 7763, 10153, 12199, 14417, 71071, 78739, 85393, 100919, 158587, 551173, 866129, 1023607, 1110109, 6062903, 7165249, 11259677, 78817739]

約数ペア:

[(1, 78817739), (7, 11259677), (11, 7165249), (13, 6062903), (71, 1110109), (77, 1023607), (91, 866129), (143, 551173), (497, 158587), (781, 100919), (923, 85393), (1001, 78739), (1109, 71071), (5467, 14417), (6461, 12199), (7763, 10153)]