389231248

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{25367}}^1$

素因数の和:25519

約数の個数: 40

約数和(自身を含む): 868194432

約数和(自身を除く): 478963184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 25367, 50734, 101468, 177569, 202936, 355138, 405872, 710276, 1420552, 2841104, 3475279, 6950558, 13901116, 24326953, 27802232, 48653906, 55604464, 97307812, 194615624, 389231248]

約数ペア:

[(1, 389231248), (2, 194615624), (4, 97307812), (7, 55604464), (8, 48653906), (14, 27802232), (16, 24326953), (28, 13901116), (56, 6950558), (112, 3475279), (137, 2841104), (274, 1420552), (548, 710276), (959, 405872), (1096, 355138), (1918, 202936), (2192, 177569), (3836, 101468), (7672, 50734), (15344, 25367)]