68780971

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13842

約数の個数: 16

約数和(自身を含む): 84676608

約数和(自身を除く): 15895637

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 13781, 96467, 316963, 427211, 2218741, 2990477, 9825853, 68780971]

約数ペア:

[(1, 68780971), (7, 9825853), (23, 2990477), (31, 2218741), (161, 427211), (217, 316963), (713, 96467), (4991, 13781)]