20110328

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{853}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 43246560

約数和(自身を除く): 23136232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 853, 1684, 1706, 2947, 3368, 3412, 5894, 5971, 6824, 11788, 11942, 23576, 23884, 47768, 359113, 718226, 1436452, 2513791, 2872904, 5027582, 10055164, 20110328]

約数ペア:

[(1, 20110328), (2, 10055164), (4, 5027582), (7, 2872904), (8, 2513791), (14, 1436452), (28, 718226), (56, 359113), (421, 47768), (842, 23884), (853, 23576), (1684, 11942), (1706, 11788), (2947, 6824), (3368, 5971), (3412, 5894)]