2255984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 4739280

約数和(自身を除く): 2483296

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 181, 304, 328, 362, 656, 724, 779, 1448, 1558, 2896, 3116, 3439, 6232, 6878, 7421, 12464, 13756, 14842, 27512, 29684, 55024, 59368, 118736, 140999, 281998, 563996, 1127992, 2255984]

約数ペア:

[(1, 2255984), (2, 1127992), (4, 563996), (8, 281998), (16, 140999), (19, 118736), (38, 59368), (41, 55024), (76, 29684), (82, 27512), (152, 14842), (164, 13756), (181, 12464), (304, 7421), (328, 6878), (362, 6232), (656, 3439), (724, 3116), (779, 2896), (1448, 1558)]