28396784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136523}}^1$

素因数の和:136544

約数の個数: 20

約数和(自身を含む): 59251416

約数和(自身を除く): 30854632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136523, 273046, 546092, 1092184, 1774799, 2184368, 3549598, 7099196, 14198392, 28396784]

約数ペア:

[(1, 28396784), (2, 14198392), (4, 7099196), (8, 3549598), (13, 2184368), (16, 1774799), (26, 1092184), (52, 546092), (104, 273046), (208, 136523)]