208299728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{143063}}^1$

素因数の和:143091

約数の個数: 40

約数和(自身を含む): 496718208

約数和(自身を除く): 288418480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 143063, 286126, 572252, 1001441, 1144504, 1859819, 2002882, 2289008, 3719638, 4005764, 7439276, 8011528, 13018733, 14878552, 16023056, 26037466, 29757104, 52074932, 104149864, 208299728]

約数ペア:

[(1, 208299728), (2, 104149864), (4, 52074932), (7, 29757104), (8, 26037466), (13, 16023056), (14, 14878552), (16, 13018733), (26, 8011528), (28, 7439276), (52, 4005764), (56, 3719638), (91, 2289008), (104, 2002882), (112, 1859819), (182, 1144504), (208, 1001441), (364, 572252), (728, 286126), (1456, 143063)]