1270256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 2749824

約数和(自身を除く): 1479568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 197, 208, 248, 394, 403, 496, 788, 806, 1576, 1612, 2561, 3152, 3224, 5122, 6107, 6448, 10244, 12214, 20488, 24428, 40976, 48856, 79391, 97712, 158782, 317564, 635128, 1270256]

約数ペア:

[(1, 1270256), (2, 635128), (4, 317564), (8, 158782), (13, 97712), (16, 79391), (26, 48856), (31, 40976), (52, 24428), (62, 20488), (104, 12214), (124, 10244), (197, 6448), (208, 6107), (248, 5122), (394, 3224), (403, 3152), (496, 2561), (788, 1612), (806, 1576)]