28129052

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 58662912

約数和(自身を除く): 30533860

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 172, 244, 301, 383, 427, 602, 766, 854, 1204, 1532, 1708, 2623, 2681, 5246, 5362, 10492, 10724, 16469, 18361, 23363, 32938, 36722, 46726, 65876, 73444, 93452, 115283, 163541, 230566, 327082, 461132, 654164, 1004609, 2009218, 4018436, 7032263, 14064526, 28129052]

約数ペア:

[(1, 28129052), (2, 14064526), (4, 7032263), (7, 4018436), (14, 2009218), (28, 1004609), (43, 654164), (61, 461132), (86, 327082), (122, 230566), (172, 163541), (244, 115283), (301, 93452), (383, 73444), (427, 65876), (602, 46726), (766, 36722), (854, 32938), (1204, 23363), (1532, 18361), (1708, 16469), (2623, 10724), (2681, 10492), (5246, 5362)]