261266398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{25771}}^1$

素因数の和:25947

約数の個数: 16

約数和(自身を含む): 405445104

約数和(自身を除く): 144178706

約数列:

[1, 2, 37, 74, 137, 274, 5069, 10138, 25771, 51542, 953527, 1907054, 3530627, 7061254, 130633199, 261266398]

約数ペア:

[(1, 261266398), (2, 130633199), (37, 7061254), (74, 3530627), (137, 1907054), (274, 953527), (5069, 51542), (10138, 25771)]