201720904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{327469}}^1$

素因数の和:327493

約数の個数: 32

約数和(自身を含む): 471556800

約数和(自身を除く): 269835896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 327469, 654938, 1309876, 2292283, 2619752, 3602159, 4584566, 7204318, 9169132, 14408636, 18338264, 25215113, 28817272, 50430226, 100860452, 201720904]

約数ペア:

[(1, 201720904), (2, 100860452), (4, 50430226), (7, 28817272), (8, 25215113), (11, 18338264), (14, 14408636), (22, 9169132), (28, 7204318), (44, 4584566), (56, 3602159), (77, 2619752), (88, 2292283), (154, 1309876), (308, 654938), (616, 327469)]