720990718

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{12347}}^1$

素因数の和:12496

約数の個数: 32

約数和(自身を含む): 1277869824

約数和(自身を除く): 556879106

約数列:

[1, 2, 7, 14, 43, 86, 97, 194, 301, 602, 679, 1358, 4171, 8342, 12347, 24694, 29197, 58394, 86429, 172858, 530921, 1061842, 1197659, 2395318, 3716447, 7432894, 8383613, 16767226, 51499337, 102998674, 360495359, 720990718]

約数ペア:

[(1, 720990718), (2, 360495359), (7, 102998674), (14, 51499337), (43, 16767226), (86, 8383613), (97, 7432894), (194, 3716447), (301, 2395318), (602, 1197659), (679, 1061842), (1358, 530921), (4171, 172858), (8342, 86429), (12347, 58394), (24694, 29197)]