1220235639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2840

約数の個数: 64

約数和(自身を含む): 2084797440

約数和(自身を除く): 864561801

約数列:

[1, 3, 7, 17, 21, 29, 43, 51, 87, 119, 129, 203, 301, 357, 493, 609, 731, 903, 1247, 1479, 2193, 2741, 3451, 3741, 5117, 8223, 8729, 10353, 15351, 19187, 21199, 26187, 46597, 57561, 63597, 79489, 117863, 139791, 148393, 238467, 326179, 353589, 445179, 556423, 825041, 978537, 1351313, 1669269, 2003671, 2475123, 3418027, 4053939, 6011013, 9459191, 10254081, 14025697, 23926189, 28377573, 42077091, 58106459, 71778567, 174319377, 406745213, 1220235639]

約数ペア:

[(1, 1220235639), (3, 406745213), (7, 174319377), (17, 71778567), (21, 58106459), (29, 42077091), (43, 28377573), (51, 23926189), (87, 14025697), (119, 10254081), (129, 9459191), (203, 6011013), (301, 4053939), (357, 3418027), (493, 2475123), (609, 2003671), (731, 1669269), (903, 1351313), (1247, 978537), (1479, 825041), (2193, 556423), (2741, 445179), (3451, 353589), (3741, 326179), (5117, 238467), (8223, 148393), (8729, 139791), (10353, 117863), (15351, 79489), (19187, 63597), (21199, 57561), (26187, 46597)]