81330488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{827}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 160963200

約数和(自身を除く): 79632712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 647, 827, 1294, 1654, 2588, 3308, 5176, 6616, 12293, 15713, 24586, 31426, 49172, 62852, 98344, 125704, 535069, 1070138, 2140276, 4280552, 10166311, 20332622, 40665244, 81330488]

約数ペア:

[(1, 81330488), (2, 40665244), (4, 20332622), (8, 10166311), (19, 4280552), (38, 2140276), (76, 1070138), (152, 535069), (647, 125704), (827, 98344), (1294, 62852), (1654, 49172), (2588, 31426), (3308, 24586), (5176, 15713), (6616, 12293)]