164635513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 207626240

約数和(自身を除く): 42990727

約数列:

[1, 7, 19, 31, 73, 133, 217, 511, 547, 589, 1387, 2263, 3829, 4123, 9709, 10393, 15841, 16957, 39931, 42997, 72751, 118699, 279517, 300979, 322183, 758689, 1237861, 2255281, 5310823, 8665027, 23519359, 164635513]

約数ペア:

[(1, 164635513), (7, 23519359), (19, 8665027), (31, 5310823), (73, 2255281), (133, 1237861), (217, 758689), (511, 322183), (547, 300979), (589, 279517), (1387, 118699), (2263, 72751), (3829, 42997), (4123, 39931), (9709, 16957), (10393, 15841)]