678289936

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{383}}^2$

素因数の和:808

約数の個数: 45

約数和(自身を含む): 1399693741

約数和(自身を除く): 721403805

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 383, 578, 766, 1156, 1532, 2312, 3064, 4624, 6128, 6511, 13022, 26044, 52088, 104176, 110687, 146689, 221374, 293378, 442748, 586756, 885496, 1173512, 1770992, 2347024, 2493713, 4987426, 9974852, 19949704, 39899408, 42393121, 84786242, 169572484, 339144968, 678289936]

約数ペア:

[(1, 678289936), (2, 339144968), (4, 169572484), (8, 84786242), (16, 42393121), (17, 39899408), (34, 19949704), (68, 9974852), (136, 4987426), (272, 2493713), (289, 2347024), (383, 1770992), (578, 1173512), (766, 885496), (1156, 586756), (1532, 442748), (2312, 293378), (3064, 221374), (4624, 146689), (6128, 110687), (6511, 104176), (13022, 52088)]