199873938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{21787}}^1$

素因数の和:21942

約数の個数: 32

約数和(自身を含む): 439246080

約数和(自身を除く): 239372142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 3058, 4587, 9174, 21787, 43574, 65361, 130722, 239657, 479314, 718971, 1437942, 3028393, 6056786, 9085179, 18170358, 33312323, 66624646, 99936969, 199873938]

約数ペア:

[(1, 199873938), (2, 99936969), (3, 66624646), (6, 33312323), (11, 18170358), (22, 9085179), (33, 6056786), (66, 3028393), (139, 1437942), (278, 718971), (417, 479314), (834, 239657), (1529, 130722), (3058, 65361), (4587, 43574), (9174, 21787)]