128577256

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 269668800

約数和(自身を除く): 141091544

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 646, 1156, 1292, 2312, 2584, 2927, 5491, 5854, 10982, 11708, 21964, 23416, 43928, 49759, 55613, 99518, 111226, 199036, 222452, 398072, 444904, 845903, 945421, 1691806, 1890842, 3383612, 3781684, 6767224, 7563368, 16072157, 32144314, 64288628, 128577256]

約数ペア:

[(1, 128577256), (2, 64288628), (4, 32144314), (8, 16072157), (17, 7563368), (19, 6767224), (34, 3781684), (38, 3383612), (68, 1890842), (76, 1691806), (136, 945421), (152, 845903), (289, 444904), (323, 398072), (578, 222452), (646, 199036), (1156, 111226), (1292, 99518), (2312, 55613), (2584, 49759), (2927, 43928), (5491, 23416), (5854, 21964), (10982, 11708)]