133788304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{643213}}^1$

素因数の和:643234

約数の個数: 20

約数和(自身を含む): 279154876

約数和(自身を除く): 145366572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 643213, 1286426, 2572852, 5145704, 8361769, 10291408, 16723538, 33447076, 66894152, 133788304]

約数ペア:

[(1, 133788304), (2, 66894152), (4, 33447076), (8, 16723538), (13, 10291408), (16, 8361769), (26, 5145704), (52, 2572852), (104, 1286426), (208, 643213)]