2815638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 6700464

約数和(自身を除く): 3884826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 157, 183, 294, 314, 366, 427, 471, 854, 942, 1099, 1281, 2198, 2562, 2989, 3297, 5978, 6594, 7693, 8967, 9577, 15386, 17934, 19154, 23079, 28731, 46158, 57462, 67039, 134078, 201117, 402234, 469273, 938546, 1407819, 2815638]

約数ペア:

[(1, 2815638), (2, 1407819), (3, 938546), (6, 469273), (7, 402234), (14, 201117), (21, 134078), (42, 67039), (49, 57462), (61, 46158), (98, 28731), (122, 23079), (147, 19154), (157, 17934), (183, 15386), (294, 9577), (314, 8967), (366, 7693), (427, 6594), (471, 5978), (854, 3297), (942, 2989), (1099, 2562), (1281, 2198)]