647808

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{241}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 1974720

約数和(自身を除く): 1326912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 241, 336, 384, 448, 482, 672, 723, 896, 964, 1344, 1446, 1687, 1928, 2688, 2892, 3374, 3856, 5061, 5784, 6748, 7712, 10122, 11568, 13496, 15424, 20244, 23136, 26992, 30848, 40488, 46272, 53984, 80976, 92544, 107968, 161952, 215936, 323904, 647808]

約数ペア:

[(1, 647808), (2, 323904), (3, 215936), (4, 161952), (6, 107968), (7, 92544), (8, 80976), (12, 53984), (14, 46272), (16, 40488), (21, 30848), (24, 26992), (28, 23136), (32, 20244), (42, 15424), (48, 13496), (56, 11568), (64, 10122), (84, 7712), (96, 6748), (112, 5784), (128, 5061), (168, 3856), (192, 3374), (224, 2892), (241, 2688), (336, 1928), (384, 1687), (448, 1446), (482, 1344), (672, 964), (723, 896)]