28958384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19889}}^1$

素因数の和:19917

約数の個数: 40

約数和(自身を含む): 69058080

約数和(自身を除く): 40099696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19889, 39778, 79556, 139223, 159112, 258557, 278446, 318224, 517114, 556892, 1034228, 1113784, 1809899, 2068456, 2227568, 3619798, 4136912, 7239596, 14479192, 28958384]

約数ペア:

[(1, 28958384), (2, 14479192), (4, 7239596), (7, 4136912), (8, 3619798), (13, 2227568), (14, 2068456), (16, 1809899), (26, 1113784), (28, 1034228), (52, 556892), (56, 517114), (91, 318224), (104, 278446), (112, 258557), (182, 159112), (208, 139223), (364, 79556), (728, 39778), (1456, 19889)]