68174218

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 120113280

約数和(自身を除く): 51939062

約数列:

[1, 2, 7, 14, 53, 106, 139, 278, 371, 661, 742, 973, 1322, 1946, 4627, 7367, 9254, 14734, 35033, 51569, 70066, 91879, 103138, 183758, 245231, 490462, 643153, 1286306, 4869587, 9739174, 34087109, 68174218]

約数ペア:

[(1, 68174218), (2, 34087109), (7, 9739174), (14, 4869587), (53, 1286306), (106, 643153), (139, 490462), (278, 245231), (371, 183758), (661, 103138), (742, 91879), (973, 70066), (1322, 51569), (1946, 35033), (4627, 14734), (7367, 9254)]