647935712

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 1372815360

約数和(自身を除く): 724879648

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 127, 139, 148, 248, 254, 278, 296, 496, 508, 556, 592, 992, 1016, 1112, 1147, 1184, 2032, 2224, 2294, 3937, 4064, 4309, 4448, 4588, 4699, 5143, 7874, 8618, 9176, 9398, 10286, 15748, 17236, 17653, 18352, 18796, 20572, 31496, 34472, 35306, 36704, 37592, 41144, 62992, 68944, 70612, 75184, 82288, 125984, 137888, 141224, 145669, 150368, 159433, 164576, 282448, 291338, 318866, 547243, 564896, 582676, 637732, 653161, 1094486, 1165352, 1275464, 1306322, 2188972, 2330704, 2550928, 2612644, 4377944, 4661408, 5101856, 5225288, 8755888, 10450576, 17511776, 20247991, 20901152, 40495982, 80991964, 161983928, 323967856, 647935712]

約数ペア:

[(1, 647935712), (2, 323967856), (4, 161983928), (8, 80991964), (16, 40495982), (31, 20901152), (32, 20247991), (37, 17511776), (62, 10450576), (74, 8755888), (124, 5225288), (127, 5101856), (139, 4661408), (148, 4377944), (248, 2612644), (254, 2550928), (278, 2330704), (296, 2188972), (496, 1306322), (508, 1275464), (556, 1165352), (592, 1094486), (992, 653161), (1016, 637732), (1112, 582676), (1147, 564896), (1184, 547243), (2032, 318866), (2224, 291338), (2294, 282448), (3937, 164576), (4064, 159433), (4309, 150368), (4448, 145669), (4588, 141224), (4699, 137888), (5143, 125984), (7874, 82288), (8618, 75184), (9176, 70612), (9398, 68944), (10286, 62992), (15748, 41144), (17236, 37592), (17653, 36704), (18352, 35306), (18796, 34472), (20572, 31496)]