81881146

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{126751}}^1$

素因数の和:126789

約数の個数: 16

約数和(自身を含む): 136892160

約数和(自身を除く): 55011014

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 126751, 253502, 2154767, 2408269, 4309534, 4816538, 40940573, 81881146]

約数ペア:

[(1, 81881146), (2, 40940573), (17, 4816538), (19, 4309534), (34, 2408269), (38, 2154767), (323, 253502), (646, 126751)]