2493081808

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1171561}}^1$

素因数の和:1171595

約数の個数: 40

約数和(自身を含む): 5810947520

約数和(自身を除く): 3317865712

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 1171561, 2343122, 4686244, 8200927, 9372488, 16401854, 18744976, 22259659, 32803708, 44519318, 65607416, 89038636, 131214832, 155817613, 178077272, 311635226, 356154544, 623270452, 1246540904, 2493081808]

約数ペア:

[(1, 2493081808), (2, 1246540904), (4, 623270452), (7, 356154544), (8, 311635226), (14, 178077272), (16, 155817613), (19, 131214832), (28, 89038636), (38, 65607416), (56, 44519318), (76, 32803708), (112, 22259659), (133, 18744976), (152, 16401854), (266, 9372488), (304, 8200927), (532, 4686244), (1064, 2343122), (2128, 1171561)]