203428264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{6961}}^1$

素因数の和:7261

約数の個数: 32

約数和(自身を含む): 412289640

約数和(自身を除く): 208861376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 3653, 6961, 7306, 13922, 14612, 27844, 29224, 55688, 90493, 180986, 361972, 723944, 1956041, 3912082, 7824164, 15648328, 25428533, 50857066, 101714132, 203428264]

約数ペア:

[(1, 203428264), (2, 101714132), (4, 50857066), (8, 25428533), (13, 15648328), (26, 7824164), (52, 3912082), (104, 1956041), (281, 723944), (562, 361972), (1124, 180986), (2248, 90493), (3653, 55688), (6961, 29224), (7306, 27844), (13922, 14612)]