406172416

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 108

約数和(自身を含む): 909302016

約数和(自身を除く): 503129600

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 127, 128, 208, 248, 254, 256, 403, 416, 496, 508, 806, 832, 961, 992, 1016, 1612, 1651, 1664, 1922, 1984, 2032, 3224, 3302, 3328, 3844, 3937, 3968, 4064, 6448, 6604, 7688, 7874, 7936, 8128, 12493, 12896, 13208, 15376, 15748, 16256, 24986, 25792, 26416, 30752, 31496, 32512, 49972, 51181, 51584, 52832, 61504, 62992, 99944, 102362, 103168, 105664, 122047, 123008, 125984, 199888, 204724, 211328, 244094, 246016, 251968, 399776, 409448, 422656, 488188, 503936, 799552, 818896, 976376, 1007872, 1586611, 1599104, 1637792, 1952752, 3173222, 3198208, 3275584, 3905504, 6346444, 6551168, 7811008, 12692888, 13102336, 15622016, 25385776, 31244032, 50771552, 101543104, 203086208, 406172416]

約数ペア:

[(1, 406172416), (2, 203086208), (4, 101543104), (8, 50771552), (13, 31244032), (16, 25385776), (26, 15622016), (31, 13102336), (32, 12692888), (52, 7811008), (62, 6551168), (64, 6346444), (104, 3905504), (124, 3275584), (127, 3198208), (128, 3173222), (208, 1952752), (248, 1637792), (254, 1599104), (256, 1586611), (403, 1007872), (416, 976376), (496, 818896), (508, 799552), (806, 503936), (832, 488188), (961, 422656), (992, 409448), (1016, 399776), (1612, 251968), (1651, 246016), (1664, 244094), (1922, 211328), (1984, 204724), (2032, 199888), (3224, 125984), (3302, 123008), (3328, 122047), (3844, 105664), (3937, 103168), (3968, 102362), (4064, 99944), (6448, 62992), (6604, 61504), (7688, 52832), (7874, 51584), (7936, 51181), (8128, 49972), (12493, 32512), (12896, 31496), (13208, 30752), (15376, 26416), (15748, 25792), (16256, 24986)]