215694128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1036991}}^1$

素因数の和:1037012

約数の個数: 20

約数和(自身を含む): 450054528

約数和(自身を除く): 234360400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1036991, 2073982, 4147964, 8295928, 13480883, 16591856, 26961766, 53923532, 107847064, 215694128]

約数ペア:

[(1, 215694128), (2, 107847064), (4, 53923532), (8, 26961766), (13, 16591856), (16, 13480883), (26, 8295928), (52, 4147964), (104, 2073982), (208, 1036991)]