39974038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90439}}^1$

素因数の和:90471

約数の個数: 16

約数和(自身を含む): 68372640

約数和(自身を除く): 28398602

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 90439, 180878, 1175707, 1537463, 2351414, 3074926, 19987019, 39974038]

約数ペア:

[(1, 39974038), (2, 19987019), (13, 3074926), (17, 2351414), (26, 1537463), (34, 1175707), (221, 180878), (442, 90439)]