179890906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{406993}}^1$

素因数の和:407025

約数の個数: 16

約数和(自身を含む): 307687464

約数和(自身を除く): 127796558

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 406993, 813986, 5290909, 6918881, 10581818, 13837762, 89945453, 179890906]

約数ペア:

[(1, 179890906), (2, 89945453), (13, 13837762), (17, 10581818), (26, 6918881), (34, 5290909), (221, 813986), (442, 406993)]