67904809

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{859}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 81239040

約数和(自身を除く): 13334231

約数列:

[1, 7, 23, 161, 491, 859, 3437, 6013, 11293, 19757, 79051, 138299, 421769, 2952383, 9700687, 67904809]

約数ペア:

[(1, 67904809), (7, 9700687), (23, 2952383), (161, 421769), (491, 138299), (859, 79051), (3437, 19757), (6013, 11293)]