2591442

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 6507072

約数和(自身を除く): 3915630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 157, 262, 314, 393, 471, 786, 917, 942, 1099, 1179, 1413, 1834, 2198, 2358, 2751, 2826, 3297, 5502, 6594, 8253, 9891, 16506, 19782, 20567, 41134, 61701, 123402, 143969, 185103, 287938, 370206, 431907, 863814, 1295721, 2591442]

約数ペア:

[(1, 2591442), (2, 1295721), (3, 863814), (6, 431907), (7, 370206), (9, 287938), (14, 185103), (18, 143969), (21, 123402), (42, 61701), (63, 41134), (126, 20567), (131, 19782), (157, 16506), (262, 9891), (314, 8253), (393, 6594), (471, 5502), (786, 3297), (917, 2826), (942, 2751), (1099, 2358), (1179, 2198), (1413, 1834)]