678656

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 1483944

約数和(自身を除く): 805288

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 241, 256, 352, 482, 704, 964, 1408, 1928, 2651, 2816, 3856, 5302, 7712, 10604, 15424, 21208, 30848, 42416, 61696, 84832, 169664, 339328, 678656]

約数ペア:

[(1, 678656), (2, 339328), (4, 169664), (8, 84832), (11, 61696), (16, 42416), (22, 30848), (32, 21208), (44, 15424), (64, 10604), (88, 7712), (128, 5302), (176, 3856), (241, 2816), (256, 2651), (352, 1928), (482, 1408), (704, 964)]