181997018

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{245279}}^1$

素因数の和:245341

約数の個数: 16

約数和(自身を含む): 317882880

約数和(自身を除く): 135885862

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 245279, 490558, 1716953, 3433906, 12999787, 25999574, 90998509, 181997018]

約数ペア:

[(1, 181997018), (2, 90998509), (7, 25999574), (14, 12999787), (53, 3433906), (106, 1716953), (371, 490558), (742, 245279)]