393479528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 827473920

約数和(自身を除く): 433994392

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 248, 254, 403, 508, 806, 961, 1016, 1612, 1651, 1922, 3224, 3302, 3844, 3937, 6604, 7688, 7874, 12493, 13208, 15748, 24986, 29791, 31496, 49972, 51181, 59582, 99944, 102362, 119164, 122047, 204724, 238328, 244094, 387283, 409448, 488188, 774566, 976376, 1549132, 1586611, 3098264, 3173222, 3783457, 6346444, 7566914, 12692888, 15133828, 30267656, 49184941, 98369882, 196739764, 393479528]

約数ペア:

[(1, 393479528), (2, 196739764), (4, 98369882), (8, 49184941), (13, 30267656), (26, 15133828), (31, 12692888), (52, 7566914), (62, 6346444), (104, 3783457), (124, 3173222), (127, 3098264), (248, 1586611), (254, 1549132), (403, 976376), (508, 774566), (806, 488188), (961, 409448), (1016, 387283), (1612, 244094), (1651, 238328), (1922, 204724), (3224, 122047), (3302, 119164), (3844, 102362), (3937, 99944), (6604, 59582), (7688, 51181), (7874, 49972), (12493, 31496), (13208, 29791), (15748, 24986)]