638535742

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{111127}}^1$

素因数の和:111172

約数の個数: 24

約数和(自身を含む): 1098166896

約数和(自身を除く): 459631154

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 111127, 222254, 1444651, 1889159, 2889302, 3778318, 18780463, 24559067, 37560926, 49118134, 319267871, 638535742]

約数ペア:

[(1, 638535742), (2, 319267871), (13, 49118134), (17, 37560926), (26, 24559067), (34, 18780463), (169, 3778318), (221, 2889302), (338, 1889159), (442, 1444651), (2873, 222254), (5746, 111127)]