81308906

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{156967}}^1$

素因数の和:157013

約数の個数: 16

約数和(自身を含む): 143154816

約数和(自身を除く): 61845910

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 156967, 313934, 1098769, 2197538, 5807779, 11615558, 40654453, 81308906]

約数ペア:

[(1, 81308906), (2, 40654453), (7, 11615558), (14, 5807779), (37, 2197538), (74, 1098769), (259, 313934), (518, 156967)]