31328518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70879}}^1$

素因数の和:70911

約数の個数: 16

約数和(自身を含む): 53585280

約数和(自身を除く): 22256762

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 70879, 141758, 921427, 1204943, 1842854, 2409886, 15664259, 31328518]

約数ペア:

[(1, 31328518), (2, 15664259), (13, 2409886), (17, 1842854), (26, 1204943), (34, 921427), (221, 141758), (442, 70879)]