1208990916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{685369}}^1$

素因数の和:685393

約数の個数: 54

約数和(自身を含む): 3555014190

約数和(自身を除く): 2346023274

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 685369, 1370738, 2056107, 2741476, 4112214, 4797583, 6168321, 8224428, 9595166, 12336642, 14392749, 19190332, 24673284, 28785498, 33583081, 43178247, 57570996, 67166162, 86356494, 100749243, 134332324, 172712988, 201498486, 302247729, 402996972, 604495458, 1208990916]

約数ペア:

[(1, 1208990916), (2, 604495458), (3, 402996972), (4, 302247729), (6, 201498486), (7, 172712988), (9, 134332324), (12, 100749243), (14, 86356494), (18, 67166162), (21, 57570996), (28, 43178247), (36, 33583081), (42, 28785498), (49, 24673284), (63, 19190332), (84, 14392749), (98, 12336642), (126, 9595166), (147, 8224428), (196, 6168321), (252, 4797583), (294, 4112214), (441, 2741476), (588, 2056107), (882, 1370738), (1764, 685369)]