133130578

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^2$

素因数の和:1318

約数の個数: 24

約数和(自身を含む): 238517568

約数和(自身を除く): 105386990

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 643, 1286, 4501, 9002, 14789, 29578, 103523, 207046, 413449, 826898, 2894143, 5788286, 9509327, 19018654, 66565289, 133130578]

約数ペア:

[(1, 133130578), (2, 66565289), (7, 19018654), (14, 9509327), (23, 5788286), (46, 2894143), (161, 826898), (322, 413449), (643, 207046), (1286, 103523), (4501, 29578), (9002, 14789)]