81385816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6451}}^1$

素因数の和:6559

約数の個数: 32

約数和(自身を含む): 162590400

約数和(自身を除く): 81204584

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 3154, 6308, 6451, 12616, 12902, 25804, 51608, 122569, 245138, 490276, 535433, 980552, 1070866, 2141732, 4283464, 10173227, 20346454, 40692908, 81385816]

約数ペア:

[(1, 81385816), (2, 40692908), (4, 20346454), (8, 10173227), (19, 4283464), (38, 2141732), (76, 1070866), (83, 980552), (152, 535433), (166, 490276), (332, 245138), (664, 122569), (1577, 51608), (3154, 25804), (6308, 12902), (6451, 12616)]