67489643

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 20

約数和(自身を含む): 77971320

約数和(自身を除く): 10481677

約数列:

[1, 13, 17, 139, 169, 221, 1807, 2197, 2363, 2873, 23491, 28561, 30719, 37349, 305383, 399347, 485537, 3969979, 5191511, 67489643]

約数ペア:

[(1, 67489643), (13, 5191511), (17, 3969979), (139, 485537), (169, 399347), (221, 305383), (1807, 37349), (2197, 30719), (2363, 28561), (2873, 23491)]