660697114

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{21559}}^1$

素因数の和:21778

約数の個数: 32

約数和(自身を含む): 1241856000

約数和(自身を除く): 581158886

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 199, 398, 1393, 2189, 2786, 4378, 15323, 21559, 30646, 43118, 150913, 237149, 301826, 474298, 1660043, 3320086, 4290241, 8580482, 30031687, 47192651, 60063374, 94385302, 330348557, 660697114]

約数ペア:

[(1, 660697114), (2, 330348557), (7, 94385302), (11, 60063374), (14, 47192651), (22, 30031687), (77, 8580482), (154, 4290241), (199, 3320086), (398, 1660043), (1393, 474298), (2189, 301826), (2786, 237149), (4378, 150913), (15323, 43118), (21559, 30646)]