180821758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409099}}^1$

素因数の和:409131

約数の個数: 16

約数和(自身を含む): 309279600

約数和(自身を除く): 128457842

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 409099, 818198, 5318287, 6954683, 10636574, 13909366, 90410879, 180821758]

約数ペア:

[(1, 180821758), (2, 90410879), (13, 13909366), (17, 10636574), (26, 6954683), (34, 5318287), (221, 818198), (442, 409099)]