201991306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1\times {\mathrm{5521}}^1$

素因数の和:7197

約数の個数: 16

約数和(自身を含む): 330789888

約数和(自身を除く): 128798582

約数列:

[1, 2, 11, 22, 1663, 3326, 5521, 11042, 18293, 36586, 60731, 121462, 9181423, 18362846, 100995653, 201991306]

約数ペア:

[(1, 201991306), (2, 100995653), (11, 18362846), (22, 9181423), (1663, 121462), (3326, 60731), (5521, 36586), (11042, 18293)]