66685424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18859}}^1$

素因数の和:18897

約数の個数: 40

約数和(自身を含む): 147334320

約数和(自身を除く): 80648896

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 18859, 37718, 75436, 150872, 245167, 301744, 320603, 490334, 641206, 980668, 1282412, 1961336, 2564824, 3922672, 4167839, 5129648, 8335678, 16671356, 33342712, 66685424]

約数ペア:

[(1, 66685424), (2, 33342712), (4, 16671356), (8, 8335678), (13, 5129648), (16, 4167839), (17, 3922672), (26, 2564824), (34, 1961336), (52, 1282412), (68, 980668), (104, 641206), (136, 490334), (208, 320603), (221, 301744), (272, 245167), (442, 150872), (884, 75436), (1768, 37718), (3536, 18859)]