788642660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{3203}}^1$

素因数の和:4172

約数の個数: 48

約数和(自身を含む): 1785986496

約数和(自身を除く): 997343836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 947, 1894, 3203, 3788, 4735, 6406, 9470, 12311, 12812, 16015, 18940, 24622, 32030, 41639, 49244, 61555, 64060, 83278, 123110, 166556, 208195, 246220, 416390, 832780, 3033241, 6066482, 12132964, 15166205, 30332410, 39432133, 60664820, 78864266, 157728532, 197160665, 394321330, 788642660]

約数ペア:

[(1, 788642660), (2, 394321330), (4, 197160665), (5, 157728532), (10, 78864266), (13, 60664820), (20, 39432133), (26, 30332410), (52, 15166205), (65, 12132964), (130, 6066482), (260, 3033241), (947, 832780), (1894, 416390), (3203, 246220), (3788, 208195), (4735, 166556), (6406, 123110), (9470, 83278), (12311, 64060), (12812, 61555), (16015, 49244), (18940, 41639), (24622, 32030)]