205253512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 420837120

約数和(自身を除く): 215583608

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 163, 188, 197, 326, 376, 394, 652, 788, 799, 1304, 1576, 1598, 2771, 3196, 3349, 5542, 6392, 6698, 7661, 9259, 11084, 13396, 15322, 18518, 22168, 26792, 30644, 32111, 37036, 61288, 64222, 74072, 128444, 130237, 157403, 256888, 260474, 314806, 520948, 545887, 629612, 1041896, 1091774, 1259224, 1509217, 2183548, 3018434, 4367096, 6036868, 12073736, 25656689, 51313378, 102626756, 205253512]

約数ペア:

[(1, 205253512), (2, 102626756), (4, 51313378), (8, 25656689), (17, 12073736), (34, 6036868), (47, 4367096), (68, 3018434), (94, 2183548), (136, 1509217), (163, 1259224), (188, 1091774), (197, 1041896), (326, 629612), (376, 545887), (394, 520948), (652, 314806), (788, 260474), (799, 256888), (1304, 157403), (1576, 130237), (1598, 128444), (2771, 74072), (3196, 64222), (3349, 61288), (5542, 37036), (6392, 32111), (6698, 30644), (7661, 26792), (9259, 22168), (11084, 18518), (13396, 15322)]