2656784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 5671512

約数和(自身を除く): 3014728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 241, 424, 482, 689, 848, 964, 1378, 1928, 2756, 3133, 3856, 5512, 6266, 11024, 12532, 12773, 25064, 25546, 50128, 51092, 102184, 166049, 204368, 332098, 664196, 1328392, 2656784]

約数ペア:

[(1, 2656784), (2, 1328392), (4, 664196), (8, 332098), (13, 204368), (16, 166049), (26, 102184), (52, 51092), (53, 50128), (104, 25546), (106, 25064), (208, 12773), (212, 12532), (241, 11024), (424, 6266), (482, 5512), (689, 3856), (848, 3133), (964, 2756), (1378, 1928)]