678978536

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1266751}}^1$

素因数の和:1266824

約数の個数: 16

約数和(自身を含む): 1292087040

約数和(自身を除く): 613108504

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1266751, 2533502, 5067004, 10134008, 84872317, 169744634, 339489268, 678978536]

約数ペア:

[(1, 678978536), (2, 339489268), (4, 169744634), (8, 84872317), (67, 10134008), (134, 5067004), (268, 2533502), (536, 1266751)]