2189898466

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{265571}}^1$

素因数の和:265630

約数の個数: 32

約数和(自身を含む): 4079185920

約数和(自身を除く): 1889287454

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 265571, 531142, 1858997, 3717994, 5045849, 8232701, 10091698, 16465402, 35320943, 57628907, 70641886, 115257814, 156421319, 312842638, 1094949233, 2189898466]

約数ペア:

[(1, 2189898466), (2, 1094949233), (7, 312842638), (14, 156421319), (19, 115257814), (31, 70641886), (38, 57628907), (62, 35320943), (133, 16465402), (217, 10091698), (266, 8232701), (434, 5045849), (589, 3717994), (1178, 1858997), (4123, 531142), (8246, 265571)]