391649752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{2617}}^1$

素因数の和:4075

約数の個数: 32

約数和(自身を含む): 791683200

約数和(自身を除く): 400033448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1439, 2617, 2878, 5234, 5756, 10468, 11512, 18707, 20936, 34021, 37414, 68042, 74828, 136084, 149656, 272168, 3765863, 7531726, 15063452, 30126904, 48956219, 97912438, 195824876, 391649752]

約数ペア:

[(1, 391649752), (2, 195824876), (4, 97912438), (8, 48956219), (13, 30126904), (26, 15063452), (52, 7531726), (104, 3765863), (1439, 272168), (2617, 149656), (2878, 136084), (5234, 74828), (5756, 68042), (10468, 37414), (11512, 34021), (18707, 20936)]