219340784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1054523}}^1$

素因数の和:1054544

約数の個数: 20

約数和(自身を含む): 457663416

約数和(自身を除く): 238322632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1054523, 2109046, 4218092, 8436184, 13708799, 16872368, 27417598, 54835196, 109670392, 219340784]

約数ペア:

[(1, 219340784), (2, 109670392), (4, 54835196), (8, 27417598), (13, 16872368), (16, 13708799), (26, 8436184), (52, 4218092), (104, 2109046), (208, 1054523)]