30906828

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2207}}^1$

素因数の和:2606

約数の個数: 36

約数和(自身を含む): 78361920

約数和(自身を除く): 47455092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1556, 2207, 2334, 3501, 4414, 4668, 6621, 7002, 8828, 13242, 14004, 19863, 26484, 39726, 79452, 858523, 1717046, 2575569, 3434092, 5151138, 7726707, 10302276, 15453414, 30906828]

約数ペア:

[(1, 30906828), (2, 15453414), (3, 10302276), (4, 7726707), (6, 5151138), (9, 3434092), (12, 2575569), (18, 1717046), (36, 858523), (389, 79452), (778, 39726), (1167, 26484), (1556, 19863), (2207, 14004), (2334, 13242), (3501, 8828), (4414, 7002), (4668, 6621)]