66252784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318523}}^1$

素因数の和:318544

約数の個数: 20

約数和(自身を含む): 138239416

約数和(自身を除く): 71986632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318523, 637046, 1274092, 2548184, 4140799, 5096368, 8281598, 16563196, 33126392, 66252784]

約数ペア:

[(1, 66252784), (2, 33126392), (4, 16563196), (8, 8281598), (13, 5096368), (16, 4140799), (26, 2548184), (52, 1274092), (104, 637046), (208, 318523)]